Finished implementing PictureService

src/mocks/index.ts

@@ -1,7 +1,9 @@
 import {networkHandlers} from "./handlers/auth.http";
 import {authHandlers} from "./handlers/network.http";
+import {pictureHandlers} from "./handlers/picture.http";
 
 export const allHandlers = [
     ...authHandlers,
-    ...networkHandlers
+    ...networkHandlers,
+    ...pictureHandlers
 ]