update env example

Author: filip-michalsky

.env.example renamed to .env.example

@@ -2,3 +2,4 @@ MODEL_API_KEY = "anthropic-or-openai-api-key"
 BROWSERBASE_API_KEY = "browserbase-api-key"
 BROWSERBASE_PROJECT_ID = "browserbase-project-id"
 STAGEHAND_API_URL = "api_url"
+STAGEHAND_ENV= "LOCAL or BROWSERBASE"

.gitignore

@@ -31,6 +31,7 @@ yarn-error.log*
 
 # env files (can opt-in for committing if needed)
 .env*
+!.env.example
 
 # vercel
 .vercel