diff --git a/backend/feathers.js b/backend/feathers.js
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+/* *******************************************************************************************
+ * FEATHERS.JS CHEATSHEET
+ * https://docs.feathersjs.com/api/readme.html
+ * 
+ * 1. CORE: Feathers core functionality.
+ * 2. TRANSPORT: Expose a Feathers application as an API server.
+ * 3. CLIENT: More details on how to use Feathers on the client.
+ * 4. AUTHENTICATION: Feathers authentication mechanism.
+ * 5. DATABASE: Feathers common database adapter API and querying mechanism.
+ * ******************************************************************************************* */
+
+
+/* *******************************************************************************************
+ * 1. CORE: Feathers core functionality.
+ * ******************************************************************************************* */
+
+
+```bash
+# Provides the ability to initialize new application instances
+npm install @feathersjs/feathers --save
+```
+
+
+/* *******************************************************************************************
+ * 2. TRANSPORT: Expose a Feathers application as an API server.
+ * ******************************************************************************************* */
+
+
+```bash
+# Contains Express framework integrations
+npm install @feathersjs/express --save
+
+# Allows to call service methods and receive real-time events
+npm install @feathersjs/socketio --save
+
+# Allows to call service methods and receive real-time events via Primus
+npm install @feathersjs/primus --save
+```
+
+
+/* *******************************************************************************************
+ * 3. CLIENT: More details on how to use Feathers on the client.
+ * ******************************************************************************************* */
+
+
+```bash
+# Allows to connect to services through REST HTTP
+npm install @feathersjs/rest-client --save
+
+# Allows to connect to services through Socket.io
+npm install @feathersjs/socketio-client --save
+
+# Allows to connect to services through Primus
+npm install @feathersjs/primus-client --save
+
+# Allows you to easily authenticate against a Feathers server
+npm install @feathersjs/authentication-client --save
+```
+
+
+/* *******************************************************************************************
+ * 4. AUTHENTICATION: Feathers authentication mechanism.
+ * ******************************************************************************************* */
+
+
+```bash
+# Assists in using JWT for authentication
+npm install @feathersjs/authentication --save
+
+# Wraps the passport-local authentication strategy (username and password)
+npm install @feathersjs/authentication-local --save
+
+# Wraps the passport-jwt authentication strategy (JSON Web Token access token)
+npm install @feathersjs/authentication-jwt --save
+
+# Allows you to use any Passport OAuth1 authentication strategy (most notably Twitter)
+npm install @feathersjs/authentication-oauth1 --save
+
+# Allows you to use any Passport OAuth2 authentication strategy (FB, Instagram, Github, Google...)
+npm install @feathersjs/authentication-oauth2 --save
+```
+
+
+/* *******************************************************************************************
+ * 5. DATABASE: Feathers common database adapter API and querying mechanism.
+ * ******************************************************************************************* */
+
+
+```bash
+# [MEMORY/FILESYSTEM] In-memory database adapter
+npm install feathers-memory --save
+
+# [MEMORY/FILESYSTEM] Database adapter for NeDB an in-memory or file system based standalone database
+npm install feathers-nedb --save
+
+# [MEMORY/FILESYSTEM] Adapter for Client side Feathers that can use the browsers LocalStorage or ReactNative's AsyncStorage
+npm install feathers-localstorage --save
+
+# [SQL] Adapter for KnexJS, an SQL query builder for NodeJS supporting PostgreSQL, MySQL, SQLite and MSSQL
+npm install feathers-knex --save
+
+# [SQL] Adapter for Sequelize an ORM for NodeJS supporting PostgreSQL, MySQL, SQLite and MSSQL
+npm install feathers-sequelize --save
+
+# [NOSSQL] Database adapter for MongoDB using the official NodeJS database driver
+npm install feathers-mongodb --save
+
+# [NOSSQL] Database adapter for Mongoose an Object Modelling library for NodeJS and MongoDB
+npm install feathers-mongoose --save
+
+# [NOSSQL] Database adapter for Elasticsearch
+npm install feathers-elasticsearch --save
+
+# [NOSSQL] Database adapter for RethinkDB a real-time database.
+npm install feathers-rethinkdb --save
+```