Fix file generation

.drone.yml

@@ -16,10 +16,10 @@ steps:
     path: /tmp/deploy
   commands:
   - touch keystore.properties
-  - storePassword=$STOREPASSWORD >> keystore.properties
-  - keyPassword=$KEYPASSWORD >> keystore.properties
-  - keyAlias=key0 >> keystore.properties
-  - storeFile=../AndroidKey >> keystore.properties
+  - echo "storePassword=$STOREPASSWORD" >> keystore.properties
+  - echo "keyPassword=$KEYPASSWORD" >> keystore.properties
+  - echo "keyAlias=key0" >> keystore.properties
+  - echo "storeFile=../AndroidKey" >> keystore.properties
   - ./gradlew test
   - ./gradlew assembleDebug
   - ./gradlew bundleRelease