Merge pull request #2803 from OffchainLabs/update-gitignore

add docs/sdk/index.mdx and docs/sdk/migrate.mdx to .gitignore

Author: anegg0

.gitignore

@@ -11,14 +11,17 @@ node_modules
 build
 
 # Generated files
+# Generated docusaurus
 .docusaurus
 .cache-loader
+# Generated sdk
 sdk-sidebar.js
 docs/sdk/
-!docs/sdk/index.mdx
-!docs/sdk/migrate.mdx
+# Generated glossary
 docs/partials/_glossary-partial.mdx
+# Generated stylus
 docs/stylus-by-example/
+# Generated api:mutes Typedoc quirk
 docs/api/
 
 # Misc