build: add a script to rename apk file

rename.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# check if version number is provided
+if [ $# -eq 0 ]; then
+    echo "Please provide a version number."
+    echo "Usage: $0 <Version>"
+    exit 1
+fi
+
+VERSION=$1
+APP_NAME="Anx-Reader"
+BUILD_DIR="build/app/outputs/flutter-apk"
+
+# rename_apk(old_name, arch)
+rename_apk() {
+    local old_name=$1
+    local arch=$2
+    local new_name="${APP_NAME}-${VERSION}-${arch}.apk"
+
+    mv "$BUILD_DIR/$old_name" "$BUILD_DIR/$new_name"
+    echo "Renamed: $old_name -> $new_name"
+}
+
+# rename APK files
+rename_apk "app-armeabi-v7a-release.apk" "armeabi-v7a"
+rename_apk "app-arm64-v8a-release.apk" "arm64-v8a"
+rename_apk "app-x86_64-release.apk" "x86_64"
+rename_apk "app-release.apk" "universal"
+
+echo "Rename successful!"