another try at signing in ci

Author: Josh

app/build.gradle.kts

@@ -54,6 +54,27 @@ android {
         }
     }
 
+    signingConfigs {
+        create("release") {
+            storeFile = file(System.getenv("SIGNING_KEYSTORE") ?: "keystore.jks")
+            storePassword = System.getenv("SIGNING_STORE_PASSWORD")
+            keyAlias = System.getenv("SIGNING_KEY_ALIAS")
+            keyPassword = System.getenv("SIGNING_KEY_PASSWORD")
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro",
+            )
+            signingConfig = signingConfigs.getByName("release")
+        }
+    }
+
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8