add an action to get coaches from firebase

src/store/modules/coaches/actions.js

@@ -21,6 +21,24 @@ export default {
     } catch (err) {
       console.log(err.response.status);
     }
+  },
+  async loadCoaches(context) {
+    try {
+      const response = await getAPI.get('coaches.json');
+      const responseData = response.data;
+      const coaches = [];
+      for (const key in responseData) {
+        const coach = {
+          id: key,
+          firstName: responseData[key].firstName,
+          lastName: responseData[key].lastName,
+          description: responseData[key].description,
+          hourlyRate: responseData[key].hourlyRate,
+          areas: responseData[key].areas
+        };
+        coaches.push(coach);
+      }
+      context.commit('setCoaches', coaches);
     } catch (err) {
       console.log(err.response.status);
     }

src/store/modules/coaches/mutations.js

@@ -1,5 +1,8 @@
 export default {
   registerCoach(state, payload) {
     state.coaches.push(payload);
+  },
+  setCoaches(state, payload) {
+    state.coaches = payload;
   }
 };