feat: dev cli (#203)

* feat: adds dev-cli

* feat: adds dev-cli

* fix: works with org package names

* fix: medusa cli bin

* hotfix(brightpearl): rounding errors + failing customer test (#199)

* fix: verdacio publish

* fix: update yarn lock

* fix(CI): update node

* fix: update yarn lock

packages/medusa-dev-cli/src/utils/promisified-spawn.js

@@ -0,0 +1,29 @@
+const execa = require(`execa`)
+
+const defaultSpawnArgs = {
+  cwd: process.cwd(),
+  stdio: `inherit`,
+}
+
+exports.setDefaultSpawnStdio = stdio => {
+  defaultSpawnArgs.stdio = stdio
+}
+
+exports.promisifiedSpawn = async ([cmd, args = [], spawnArgs = {}]) => {
+  const spawnOptions = {
+    ...defaultSpawnArgs,
+    ...spawnArgs,
+  }
+  try {
+    return await execa(cmd, args, spawnOptions)
+  } catch (e) {
+    if (spawnOptions.stdio === `ignore`) {
+      console.log(
+        `\nCommand "${cmd} ${args.join(
+          ` `
+        )}" failed.\nTo see details of failed command, rerun "medusa-dev" without "--quiet" or "-q" switch\n`
+      )
+    }
+    throw e
+  }
+}