add passport config

src/libs/middlewares/passport.js

+const JwtStrategy = require('passport-jwt').Strategy;
+const libs = `${process.cwd()}/libs`;
+const config = require(`${libs}/config`);
+const User = ('../models/user');
+
+module.exports = function(passport){
+  var opts = {};
+  opts.secretOrKey = config.get('mongodb:secret');
+  passport.use(new JwtStrategy(opts, function(jwt_payload, done){
+    User.find({id: jwt_payload.id}, function(err, user){
+      if (err) {
+          return done(err);
+      }
+
+       if (!user) {
+           return done(null, false, {message: 'Unknown user'});
+       }
+
+       if (!user.comparePassword(password)) {
+           return done(null, false, {message: 'Invalid password'});
+       }
+
+       return done(null, user);
+    });
+  }));
+};