add back files

Author: racka98

.gitignore

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+.gradle
+.idea
+.DS_Store
+/build
+*/build
+/captures
+.cxx
+local.properties
+
+# Built application files
+*.apk
+*.aar
+*.ap_
+*.aab
+!androidApp-release.apk
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+/local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+*.jks
+*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/
+

CONTRIBUTING.md

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+## 🤝 Contributing
+
+Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any
+contributions you make are **greatly appreciated**.
+
+1. Open an issue first to discuss what you would like to change.
+1. Fork the Project
+1. Create your feature branch (`git checkout -b feature/1/amazing-feature`)
+1. Commit your changes (`git commit -m 'Add some amazing feature'`)
+1. Push to the branch (`git push origin feature/1/amazing-feature`)
+1. Open a pull request
+
+(Here, `1` = issue number)