manual check in/check out

implemented, to be implemented: qrcode or/and geofence

apps/mobile/src/api/fitnessProfile.ts

@@ -1,11 +1,5 @@
 import axios from "axios";
-import { Platform } from "react-native";
-
-const API_BASE_URL = Platform.select({
-  android: "http://10.0.2.2:3000", // Android emulator maps this to host's localhost
-  ios: "http://localhost:3000",
-  default: process.env.EXPO_PUBLIC_API_URL || "http://localhost:3000",
-});
+import { API_BASE_URL } from "../config/api";
 
 export interface FitnessProfile {
   id?: string;