feat: add firebase support

app/build.gradle

@@ -3,6 +3,7 @@ plugins {
     id 'kotlin-android'
     id 'jacoco'
 }
+apply plugin: 'com.google.gms.google-services'
 
 android {
     compileSdk 31
@@ -46,6 +47,12 @@ dependencies {
     androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test:rules:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    // Import the BoM for the Firebase platform
+    implementation platform('com.google.firebase:firebase-bom:29.0.0')
+
+    // Declare the dependency for the Cloud Firestore library
+    // When using the BoM, you don't specify versions in Firebase library dependencies
+    implementation 'com.google.firebase:firebase-firestore-ktx'
 }
 tasks.withType(Test) {
     jacoco.includeNoLocationClasses = true

app/google-services.json

@@ -0,0 +1,39 @@
+{
+  "project_info": {
+    "project_number": "896605409351",
+    "project_id": "rps-sdp",
+    "storage_bucket": "rps-sdp.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:896605409351:android:2e2400835d053e3463a162",
+        "android_client_info": {
+          "package_name": "ch.epfl.sweng.rps"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "896605409351-a1hlsfr6dkigthpbeul0ug46c8774uoa.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAdcohQUAuqHrgmKyTD8Tx2JOxuOXWBn6o"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "896605409351-a1hlsfr6dkigthpbeul0ug46c8774uoa.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

build.gradle

@@ -7,12 +7,9 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:7.1.2'
         classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.10'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
+        classpath 'com.google.gms:google-services:4.3.10'
     }
 }
-
 task clean(type: Delete) {
     delete rootProject.buildDir
 }