builds: Adds signing secrets

app/build.gradle

@@ -22,32 +22,53 @@ android {
         }
     }
 
+    signingConfigs {
+        if (project.hasProperty('RELEASE_STORE_FILE')) {
+            release {
+                storeFile file(RELEASE_STORE_FILE)
+                storePassword RELEASE_STORE_PASSWORD
+                keyAlias RELEASE_KEY_ALIAS
+                keyPassword RELEASE_KEY_PASSWORD
+            }
+        }
+    }
+
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+
+            if (project.hasProperty('RELEASE_STORE_FILE')) {
+                signingConfig signingConfigs.release
+            }
         }
     }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
+
     buildFeatures {
         compose true
     }
+
     composeOptions {
         // Note: this is strictly tied to a kotlin version, but isn't the version of kotlin exactly.
         // See: https://developer.android.com/jetpack/androidx/releases/compose-kotlin
         kotlinCompilerExtensionVersion '1.4.8'
     }
+
     packagingOptions {
         resources {
             excludes += '/META-INF/{AL2.0,LGPL2.1}'
         }
     }
+
     buildToolsVersion '33.0.1'
 }