Add original project.

.gitignore

@@ -33,3 +33,45 @@ google-services.json
 # Android Profiling
 *.hprof
 
+## Suggested ^^
+
+## From TicTacToe project for good measure. vv
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# IntelliJ
+*.iml
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof
+/app/debug/output-metadata.json
+
+# Ha!
+keystore/*
+release