Added flatbuffers schema.

include/engine/api/flatbuffers/fbresult.fbs

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+include "match.fbs";
+include "nearest.fbs";
+include "route.fbs";
+include "table.fbs";
+include "trip.fbs";
+
+namespace osrm.engine.api.fbresult;
+
+union ServiceResponse {
+    match: Match,
+    nearest: Nearest,
+    route: Route,
+    table: Table,
+    trip: Trip
+}
+
+table FBResult {
+    code: string;
+    message: string;
+    response: ServiceResponse;
+}

include/engine/api/flatbuffers/match.fbs

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+include "route.fbs";
+namespace osrm.engine.api.fbresult;
+
+table Match {
+    tracepoints: [Waypoint];
+    matchings: [Route];
+}

include/engine/api/flatbuffers/nearest.fbs

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+include "waypoint.fbs";
+namespace osrm.engine.api.fbresult;
+
+table Nearest {
+    waypoints: [Waypoint];
+}

include/engine/api/flatbuffers/position.fbs

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+namespace osrm.engine.api.fbresult;
+
+table Position {
+    longitute: double;
+    latitude:  double;
+}

include/engine/api/flatbuffers/route.fbs

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+include "waypoint.fbs";
+namespace osrm.engine.api.fbresult;
+
+table Metadata {
+    datasource_names: [string];
+}
+
+table Annotation {
+    distance: [uint];
+    duration: [uint];
+    datasources: [uint];
+    nodes: [uint];
+    weight: [uint];
+    speed: [double];
+    metadata: Metadata;
+}
+
+enum ManeuverType: byte {
+    Turn,
+    NewName,
+    Depart,
+    Arrive,
+    Merge,
+    OnRamp,
+    OffRamp,
+    Fork,
+    EndOfRoad,
+    Continue,
+    Roundabout,
+    Rotary,
+    RoundaboutTurn,
+    Notification,
+    ExitRoundabout,
+    ExitRotary
+}
+
+enum Turn: byte {
+    None,
+    UTurn,
+    SharpRight,
+    Right,
+    SlightRight,
+    Straight,
+    SlightLeft,
+    Left,
+    SharpLeft
+}
+
+table StepManeuver {
+    location: Position;
+    bearing_before: ushort;
+    bearing_after: ushort;
+    type: ManeuverType;
+    modifier: Turn;
+    exit: ubyte;
+}
+
+table Lane {
+    indications: [Turn];
+    valid: bool;
+}
+
+table Intersection {
+    location: Position;
+    bearings: [ushort];
+    classes: [string];
+    entry: [bool];
+    in: uint;
+    out: uint;
+    lanes: [Lane];
+}
+
+table Polyline {
+    polyline: [Position];
+}
+
+union Geometry {
+    polyline: string,
+    polyline6: string,
+    coordinates: Polyline
+}
+
+table Step {
+    distance: double;
+    duration: double;
+    geometry: Geometry;
+    name: string;
+    ref: uint;
+    pronunciation: string;
+    destinations: [string];
+    exits: [string];
+    mode: string;
+    maneuver: StepManeuver;
+    intersections: [Intersection];
+    rotary_name: string;
+    rotary_pronunciation: string;
+    driving_side: bool; //Where true stands for the right side.
+}
+
+table Leg {
+    distance: double;
+    duration: double;
+    weight: double;
+    summary: string;
+    annotations: Annotation;
+    steps: [Step];
+}
+
+table RouteObject {
+    distance: double;
+    duration: double;
+    weight: double;
+    weight_name: string;
+    confidence: double; //Used only by 'Match' service
+    geometry: Geometry;
+    legs: [Leg];
+}
+
+table Route{
+    routes: [RouteObject];
+    waypoints: [Waypoint];
+}

include/engine/api/flatbuffers/table.fbs

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+include "waypoint.fbs";
+namespace osrm.engine.api.fbresult;
+
+table VectorUint {
+    column: [uint];
+}
+
+table Table {
+    waypoints: [Waypoint];
+    durations: [VectorUint];
+    distances: [VectorUint];
+    sources: [Waypoint];
+    destinations: [Waypoint];
+    fallback_speed_cells: [VectorUint];
+}

include/engine/api/flatbuffers/trip.fbs

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+include "route.fbs";
+namespace osrm.engine.api.fbresult;
+
+table Trip {
+    waypoints: [Waypoint];
+    trips: [Route];
+}

include/engine/api/flatbuffers/waypoint.fbs

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+include "position.fbs";
+namespace osrm.engine.api.fbresult;
+
+table Waypoint {
+    longitute: double;
+    latitude:  double;
+    name: string;
+    location: Position;
+    nodes: [double]; //Used only by 'Nearest' service
+    matchings_index: uint; //Used only by 'Match' service
+    waypoint_index: uint; //Used by 'Match' and 'Trip' services
+    alternatives_count: uint; //Used only by 'Match' service
+    trips_index: uint; //Used only by 'Trip' service
+}