Add oauth2 client

.gitignore

@@ -1,11 +1,40 @@
+__pycache__/
+.gradle/
+.idea/
+.metals/
 .next/
 .parcel-cache/
-[Bb]uild/
-[Ss]aved/
+.vs/
+.vscode/
+bin/
+binaries/
+build/
 node_modules/
+obj/
+saved/
+target/
 
-*.wasm
 .DS_Store
 .env
+*.crt
+*.csproj
+*.filters
+*.fsproj
+*.key
+*.log
+*.make
+*.mwb.bak
+*.pem
+*.sln
+*.user
+*.vcxproj
+*.vpp.*
+*.wasm
+*.xcodeproj
+*.xcworkspace
+Cargo.lock
 desktop.ini
-yarn-error.log
+keystore.jks
+local.properties
+Makefile
+next-env.d.ts