Draw supply routes on the react map.

https://github.com/dcs-liberation/dcs_liberation/issues/2039

client/src/api/supplyRoutesSlice.ts

@@ -0,0 +1,28 @@
+import { PayloadAction, createSlice } from "@reduxjs/toolkit";
+
+import { RootState } from "../app/store";
+import SupplyRoute from "./supplyroute";
+
+interface SupplyRoutesState {
+  routes: SupplyRoute[];
+}
+
+const initialState: SupplyRoutesState = {
+  routes: [],
+};
+
+export const supplyRoutesSlice = createSlice({
+  name: "supplyRoutes",
+  initialState,
+  reducers: {
+    setSupplyRoutes: (state, action: PayloadAction<SupplyRoute[]>) => {
+      state.routes = action.payload;
+    },
+  },
+});
+
+export const { setSupplyRoutes } = supplyRoutesSlice.actions;
+
+export const selectSupplyRoutes = (state: RootState) => state.supplyRoutes;
+
+export default supplyRoutesSlice.reducer;

client/src/api/supplyroute.ts

@@ -0,0 +1,11 @@
+import { LatLng } from "leaflet";
+
+export interface SupplyRoute {
+  points: LatLng[];
+  front_active: boolean;
+  is_sea: boolean;
+  blue: boolean;
+  active_transports: string[];
+}
+
+export default SupplyRoute;