added setup issue

src/globals.ts

@@ -1,5 +1,6 @@
 import chalk = require("chalk");
 const os = require("os");
+var snakeCase = require('lodash.snakecase');
 
 export const defaultMenuSettings = {
   showHelp: false
@@ -34,3 +35,7 @@ export const getCurrentBranch = async (path: string, toolbox): Promise<string |
   }
   return null;
 };
+
+export const issueToBranchName = (issue) => {
+  return `${issue.number}-${snakeCase(issue.title).substr(0, 40)}`;
+}