adapt bitmaskcore references in README

README.md

@@ -23,14 +23,14 @@ git submodule add git://<repository_url.git> <new_lib_directory>
 go work use <new_lib_directory>
 ```
 
-3. Make sure the `bitmaskcore/golang` directory is empty.
+3. Make sure the `bitmask-core-android/golang` directory is empty.
 ```
-# you should be in bitmaskcore
+# you should be in bitmask-core-android
 sudo rm -rf ./golang/*
 ```
 4. And let go add any missing modules.
 ```
-# you should be in bitmaskcore
+# you should be in bitmask-core-android
 go mod tidy
 ```
 5. extend the `gomobile bind` statements with the new module in `./build_core.sh` and `./build_core_dev.sh`