feat(general): added CLI and bcrypt

cli.js

@@ -0,0 +1,18 @@
+const models = require('./models');
+const { Sequelize, sequelize, authenticate } = require('./lib/sequelize');
+
+global.authenticate = authenticate;
+global.Sequelize = Sequelize;
+global.sequelize = sequelize;
+
+for (const key in models) {
+    global[key] = models[key]; // importing models as global
+}
+
+try {
+    authenticate();
+} catch(err)  {
+    /* eslint-disable-next-line no-console */
+    console.error('Error connecting to DB:', err.message);
+    process.quit(1);
+}