doc(README): Update README.md. Closes #133

CHANGELOG.md

@@ -31,6 +31,10 @@
 * [#129](https://github.com/antoinezanardi/werewolves-assistant-web/issues/129) - Change sheriff enabled option property name.
 * [#130](https://github.com/antoinezanardi/werewolves-assistant-web/issues/130) - Change `potion` structure for plays and game history.
 
+### 📚 Documentation
+
+* [#133](https://github.com/antoinezanardi/werewolves-assistant-web/issues/133) - Update README.md.
+
 ### 📦 Packages
 
 * `howler` installed with version `2.2.1`.

README.md

@@ -47,7 +47,7 @@ Two versions are available for testing this project:
 Both versions are running on a server with the following configuration:
 - **OS**: `Debian GNU/Linux 10 (buster)`
 - **NodeJS**: `v14.15.4`
-- **NPM**: `v6.14.10`
+- **NPM**: `v7.5.2`
 - **MongoDB shell version**: `v4.4.3`
 
 The MongoDB database is protected under username and password authentication.
@@ -87,6 +87,8 @@ Also, you can keep up with changes by watching releases with the **Watch GitHub
 
 Current release on **main version** is [![GitHub release](https://img.shields.io/github/release/antoinezanardi/werewolves-assistant-web.svg)](https://GitHub.com/antoinezanardi/werewolves-assistant-web/releases/).
 
+**[Travis](https://travis-ci.com)** helps the project to be automatically updated by deploying new versions for both **sandbox** and **main** versions. Please refer to the **[.travis.yml file](https://github.com/antoinezanardi/werewolves-assistant-web/blob/master/.travis.yml)** for more details.
+
 ###### 🏷️ <a href="https://github.com/antoinezanardi/werewolves-assistant-web/releases" target="_blank">All releases for this project are available here</a>. 
 
 ## <a name="code-analysis-and-consistency">☑️ Code analysis and consistency</a>