Added direnv config files to git ignore list (#25555)

* added direnv .envrc to ignore list, so that you can auto load with .envrc environments locally

Author: ibalosh

.gitignore

@@ -193,6 +193,9 @@ yalc.lock
 # useful for keeping local plans etc
 /ai
 
+# direnv environment loader files
+.envrc
+
 # e2e test suite
 /e2e/test-results
 /e2e/playwright-report