Allow to create vercel.json in init command

Author: ije

commands/init.ts

@@ -135,13 +135,26 @@ export default async function (
     ])
   }
 
+  if (vercel) {
+    Deno.writeTextFile(
+      join(name, 'vercel.json'),
+      JSON.stringify({
+        functions: {
+          'api/**/*.{j,t}s': {
+            runtime: '[email protected]'
+          }
+        }
+      }, undefined, 2),
+    )
+  }
+
   // cache deps in import maps
   console.log('Cache deps...')
   const urls = Object.values(importMap.imports).filter((v) => !v.endsWith('/'))
   const p = Deno.run({
     cmd: [Deno.execPath(), 'cache', ...urls, deno_x_brotli, deno_x_flate],
-    stderr: 'null',
-    stdout: 'null',
+    stderr: 'inherit',
+    stdout: 'inherit',
   })
   await p.status()
   p.close()
@@ -155,7 +168,8 @@ ${dim('▲')} aleph start  ${dim('# start the app in `production` mode')}
 ${dim('▲')} aleph build  ${dim('# build the app to a static site (SSG)')}
 
 Docs: ${cyan('https://alephjs.org/docs')}
-Bugs: ${cyan('https://alephjs.org.com/alephjs/aleph.js/issues')}`
+Bugs: ${cyan('https://alephjs.org.com/alephjs/aleph.js/issues')}
+`
   )
 
   Deno.exit(0)