chore: add .pnpm-store and claude local settings to gitignore (#2199)

Adds .pnpm-store and .claude/settings.local.json to gitignore.

Author: thmsobrmlr

.gitignore

@@ -1,5 +1,6 @@
 # Dependencies
 node_modules/
+.pnpm-store/
 
 # Build outputs
 dist/
@@ -41,6 +42,7 @@ MEMORY.md
 .agent-trigger
 .posthog-code/
 .claude/worktrees/
+.claude/settings.local.json
 
 # Testing
 playwright-results/