Circleci branch deployment fix (#32)

- circleci Local testing
- circleci deployment fixed
- submodule circleci fix

app/build.gradle

@@ -10,6 +10,9 @@ def relStorePassword = System.getenv("RELEASE_STORE_PASSWORD")
 def relKeyPassword = System.getenv("RELEASE_KEY_PASSWORD")
 def relKeyAlias = System.getenv("RELEASE_KEY_ALIAS")
 
+def keystorePath = System.getenv('PWD') + "/app/keystore.jks"
+def keystore = file(keystorePath).exists() ? file(keystorePath) : null
+
 android {
     compileSdkVersion 31
     defaultConfig {
@@ -40,7 +43,7 @@ android {
             storePassword relStorePassword
             keyPassword relKeyPassword
             keyAlias relKeyAlias
-            storeFile file('./keystore')
+            storeFile keystore
         }
     }