feat: add plugin build command (#10935)

Fixes: FRMW-2863

Adds the `plugin:build` command that is used to compile the source code of a plugin for publishing it to a package registry. The command is similar to the `build` command, except it does not copy the `package.json` and the `lock` files to the build output

packages/cli/medusa-cli/src/create-cli.ts

@@ -254,10 +254,20 @@ function buildLocalCommands(cli, isLocalProject) {
         })
       ),
     })
+    .command({
+      command: "plugin:build",
+      desc: "Build plugin source for publishing to a package registry",
+      handler: handlerP(
+        getCommandHandler("plugin/build", (args, cmd) => {
+          process.env.NODE_ENV = process.env.NODE_ENV || `development`
+          cmd(args)
+          return new Promise((resolve) => {})
+        })
+      ),
+    })
     .command({
       command: "plugin:develop",
       desc: "Start plugin development process in watch mode. Changes will be re-published to the local packages registry",
-      builder: (builder) => {},
       handler: handlerP(
         getCommandHandler("plugin/develop", (args, cmd) => {
           process.env.NODE_ENV = process.env.NODE_ENV || `development`