initial commit: working mqtt example

dump.js

@@ -0,0 +1,12 @@
+const level = require('level');
+
+const db = level('db');
+
+db
+  .createReadStream()
+  .on('data', data => {
+    console.log(data.key, '=', data.value);
+  })
+  .on('end', () => {
+    console.log('--- DONE');
+  });