Update create-gitignore.js

chore: add environment files to .gitignore Added .env.prod, .env.dev, and .env.stage to .gitignore to prevent sensitive environment configurations from being tracked in version control.

Author: Moopinger

packages/create-twilio-function/src/create-twilio-function/create-gitignore.js

@@ -2,7 +2,7 @@ const { createWriteStream } = require('fs');
 const { join } = require('path');
 const gitignore = require('gitignore');
 
-const ADDITIONAL_CONTENT = '# Twilio Serverless\n.twiliodeployinfo\n\n';
+const ADDITIONAL_CONTENT = '# Twilio Serverless\n.twiliodeployinfo\n.env.prod\n.env.dev\n.env.stage\n\n';
 
 function createGitignore(dirPath) {
  return new Promise((resolve, reject) => {