Develop (#4)

* fix: Refactor FileManager.cs to use JsonUtility for parsing package version

* fix: default settings

* fix: default jahro-settings added

* fix: updated git ignore

Author: alex-bulat

.gitignore

@@ -70,5 +70,3 @@ crashlytics-build.properties
 # Temporary auto-generated Android Assets
 /[Aa]ssets/[Ss]treamingAssets/aa.meta
 /[Aa]ssets/[Ss]treamingAssets/aa/*
-
-jahro-settings.asset