fix: create android/app directory before generating debug keystore

The keytool command fails without the directory existing first.
Add mkdir -p before the keytool genkeypair command.

.gitea/workflows/build-apk.yml

@@ -38,7 +38,7 @@ jobs:
             unzip -q /tmp/cmdtools.zip -d "$ANDROID_HOME/cmdline-tools"
             mv "$ANDROID_HOME/cmdline-tools/cmdline-tools" "$ANDROID_HOME/cmdline-tools/latest"
           fi
-          yes | "$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" --licenses > /dev/null
+          printf 'y\n' | "$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" --licenses > /dev/null
           "$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" \
             "platform-tools" \
             "platforms;android-35" \
@@ -51,6 +51,7 @@ jobs:
 
       - name: Generate debug keystore (signs the release APK)
         run: |
+          mkdir -p carry-your-live/android/app
           keytool -genkeypair -v \
             -keystore carry-your-live/android/app/debug.keystore \
             -alias androiddebugkey -storepass android -keypass android \