add VERSION, kepr.build and a signed-APK build script so Kepr Builds can publish releases

@@ -48,6 +48,13 @@4848         }4949     }5050 51+    // ABI splits were tried and removed: the native libraries are ~2.5 MB of a52+    // 24 MB APK, so per-ABI builds saved 8% in exchange for four artifacts and53+    // a "which one do I need?" question at every install. The weight is 62 MB of54+    // DEX, because `minifyEnabled false` below leaves R8 off entirely — that is55+    // the lever worth pulling, and it needs its own pass with real-device56+    // verification (kotlinx.serialization, BouncyCastle, Hilt, Compose).57+5158     buildTypes {5259         debug {5360             applicationIdSuffix ".debug"

@@ -1,4 +1,11 @@1-# command = <your build command here>2-# output = <path to built binary>3-trigger = on-promote4-platforms = native1+# Kepr Builds config for peach-android.2+#3+# Android is not one of Kepr's cross-compile targets (its platform vocabulary is4+# linux/macos/windows); an APK is a single artifact that runs on every supported5+# ABI, so one platform entry is the honest mapping. `platform` here must match6+# ANDROID_PLATFORM_KEY in app/src/main/java/com/peachpasswords/updates/UpdateManifest.kt,7+# which is what the in-app updater looks up in the release manifest.8+command = ./scripts/kepr-build-apk.sh9+output = build/kepr/peach-android.apk10+trigger = manual11+platforms = arm64