chore: Firebase �환경 세팅 (#3)

* chore: Firebase 라이브러리 추가

* chore: Firebase Realtime Database 라이브러리 제거

* chore: google-services.json 파일 .gitignore에 추가

Author: ZZANZU

.gitignore

@@ -14,3 +14,4 @@
 .externalNativeBuild
 .cxx
 local.properties
+/app/google-services.json

app/build.gradle

@@ -1,6 +1,8 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'com.google.gms.google-services'
+    id 'com.google.firebase.crashlytics'
 }
 
 def localProperties = new Properties()
@@ -56,4 +58,12 @@ dependencies {
         exclude group: 'com.android.support'
     }
     implementation 'com.google.android.gms:play-services-location:16.0.0'
+
+    // Firebase
+    implementation platform('com.google.firebase:firebase-bom:31.3.0')
+    implementation 'com.google.firebase:firebase-analytics-ktx'
+    implementation 'com.google.firebase:firebase-firestore-ktx'
+    implementation 'com.google.firebase:firebase-messaging-ktx'
+    implementation 'com.google.firebase:firebase-crashlytics-ktx'
+    implementation 'com.google.firebase:firebase-config-ktx'
 }

build.gradle

@@ -1,4 +1,19 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        // Make sure that you have the following two repositories
+        google()  // Google's Maven repository
+
+        mavenCentral()  // Maven Central repository
+
+    }
+    dependencies {
+        // Add the dependency for the Google services Gradle plugin
+        classpath 'com.google.gms:google-services:4.3.15'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.4'
+    }
+}
+
 plugins {
     id 'com.android.application' version '7.4.2' apply false
     id 'com.android.library' version '7.4.2' apply false