Fix anchor links in api docs (#5235)

docs/nodejs/api.md

@@ -56,7 +56,7 @@ Returns the fastest route between two or more coordinates while visiting the way
     -   `options.continue_straight` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** Forces the route to keep going straight at waypoints and don't do a uturn even if it would be faster. Default value depends on the profile.
     -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
                          `null`/`true`/`false`
--   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 
+-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)**
 
 **Examples**
 
@@ -88,7 +88,7 @@ Note: `coordinates` in the general options only supports a single `{longitude},{
     -   `options.number` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Number of nearest segments that should be returned.
         Must be an integer greater than or equal to `1`. (optional, default `1`)
     -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
--   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 
+-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)**
 
 **Examples**
 
@@ -127,7 +127,7 @@ tables. Optionally returns distance table.
     -   `options.destinations` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** An array of `index` elements (`0 <= integer <
         #coordinates`) to use location with given index as destination. Default is to use all.
     -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
--   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 
+-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)**
 
 **Examples**
 
@@ -167,7 +167,7 @@ and what weights they have applied.
 -   `ZXY` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)** an array consisting of `x`, `y`, and `z` values representing tile coordinates like
            [wiki.openstreetmap.org/wiki/Slippy_map_tilenames](https://wiki.openstreetmap.org/wiki/Slippy_map_tilenames)
            and are supported by vector tile viewers like [Mapbox GL JS](https://www.mapbox.com/mapbox-gl-js/api/).
--   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 
+-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)**
 
 **Examples**
 
@@ -204,7 +204,7 @@ if they can not be matched successfully.
     -   `options.radiuses` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Standard deviation of GPS precision used for map matching. If applicable use GPS accuracy. Can be `null` for default value `5` meters or `double >= 0`.
     -   `options.gaps` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)?** Allows the input track splitting based on huge timestamp gaps between points. Either `split` or `ignore` (optional, default `split`).
     -   `options.tidy` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** Allows the input track modification to obtain better matching quality for noisy tracks (optional, default `false`).
--   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 
+-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)**
 
 **Examples**
 
@@ -268,7 +268,7 @@ Right now, the following combinations are possible:
     -   `options.source` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Return route starts at `any` or `first` coordinate. (optional, default `any`)
     -   `options.destination` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Return route ends at `any` or `last` coordinate. (optional, default `any`)
     -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
--   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 
+-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)**
 
 **Examples**
 
@@ -322,16 +322,14 @@ osrm.route(options, { format: "json_buffer" }, function(err, response) {
 
 ## Responses
 
-Responses
-
 ### Route
 
 Represents a route through (potentially multiple) waypoints.
 
 **Parameters**
 
--   `exteral` **documentation** in
-    [`osrm-backend`](../http.md#route)
+-   **documentation** in
+    [`osrm-backend`](../http.md#route-object)
 
 ### RouteLeg
 
@@ -339,8 +337,8 @@ Represents a route between two waypoints.
 
 **Parameters**
 
--   `exteral` **documentation** in
-    [`osrm-backend`](../http.md#routeleg)
+-   **documentation** in
+    [`osrm-backend`](../http.md#routeleg-object)
 
 ### RouteStep
 
@@ -349,15 +347,15 @@ single way to the subsequent step.
 
 **Parameters**
 
--   `exteral` **documentation** in
-    [`osrm-backend`](https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md#routestep)
+-   **documentation** in
+    [`osrm-backend`](../http.md#routestep-object)
 
 ### StepManeuver
 
 **Parameters**
 
--   `exteral` **documentation** in
-    [`osrm-backend`](https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md#stepmaneuver)
+-   **documentation** in
+    [`osrm-backend`](../http.md#stepmaneuver-object)
 
 ### Waypoint
 
@@ -365,5 +363,5 @@ Object used to describe waypoint on a route.
 
 **Parameters**
 
--   `exteral` **documentation** in
-    [`osrm-backend`](https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md#waypoint)
+-   **documentation** in
+    [`osrm-backend`](../http.md#waypoint-object)