chore: add git ignores

Author: mdjastrzebski

.gitignore

@@ -9,3 +9,12 @@ build
 # Ignore lock files in examples for now
 examples/**/yarn.lock
 .docusaurus
+
+# Yarn 4.x
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

examples/basic/.gitignore

@@ -12,3 +12,12 @@ web-build/
 
 # macOS
 .DS_Store
+
+# Yarn 4.x
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions