vercel: add page (#5278)

remove now.md page replaced by vercel

pages/common/vercel.md

@@ -0,0 +1,36 @@
+# vercel
+
+> Deploy and manage your Vercel deployments.
+> More information: <https://vercel.com/docs/cli>.
+
+- Deploy the current directory:
+
+`vercel`
+
+- Deploy the currrent directory to production:
+
+`vercel --prod`
+
+- Deploy a directory:
+
+`vercel {{path/to/project}}`
+
+- Initialize an example project:
+
+`vercel init`
+
+- Deploy with Environment Variables:
+
+`vercel --env {{ENV}}={{var}}`
+
+- Build with Environment Variables:
+
+`vercel --build-env {{ENV}}={{var}}`
+
+- Set default regions to enable the deployment on:
+
+`vercel --regions {{region_id}}`
+
+- Remove a deployment:
+
+`vercel remove {{project_name}}`