Updated features, added release info and test user to the readme

Signed-off-by: Vanessa Fotso <[email protected]>

README.md

@@ -11,11 +11,25 @@ Vulcan models the STIG intent form and the process of aligning security controls
 * Model the STIG creation process between the creator (vendor) and the approver (sponsor)
 * Write and test InSpec code on a local system, or across SSH, AWS, and Docker targets
 * Easily view control status and revision history
-* Enable distributed authorship with multiple authors working on sets of controls and reviewing each others' work
+* Enable distributed authorship with multiple authors working on sets of controls and reviewing each others' work.
+* Enable looking up related controls (controls using the same SRG ID) in published STIGs while auhtoring or reviewing a control.
+* View DISA published STIG Contents.
 * Confidential data in the database is encrypted using symmetric encryption
 * Authenticate via the local server, through GitHub, and through configuring an LDAP server.
+* Email and Slack notification enabled
+
+## Latest Release: [v2.1.4](https://github.com/mitre/vulcan/releases/tag/v2.1.4)
+
+You can pull the Docker image for the latest release with the following command:
+
+```bash
+  docker pull mitre/vulcan:v2.1.4
+```
+
+For more details on this release and previous ones, check the [Changelog](https://vulcan.mitre.org/CHANGELOG.html).
 
 ## Deploy Vulcan
+
 [Deploying Vulcan in Production](https://vulcan.mitre.org/docs/)&nbsp;&nbsp;&nbsp;[<img src="public/GitHub-Mark-Light-64px.png#gh-dark-mode-only" width="20"/>](https://pages.github.com/)[<img src="public/GitHub-Mark-64px.png#gh-light-mode-only" width="20"/>](https://pages.github.com/)
 
 ## Deployment Dependencies:
@@ -36,6 +50,8 @@ For Ruby (on Ubuntu):
 4. rbenv install
 5. bin/setup
 
+>> **Note**: `bin/setup` will install the JS dependencies, prepare the database and load the sample data.
+
 #### Running with Ruby
 
 Make sure you have run the setup steps at least once before following these steps!
@@ -44,6 +60,14 @@ Make sure you have run the setup steps at least once before following these step
 2. foreman start -f Procfile.dev
 3. Navigate to `http://127.0.0.1:3000`
 
+#### Test User
+
+For testing purposes in the development environment, you can use the following credentials:
+
+**Email**: <[email protected]>
+
+**Password**: 1234567ab!
+
 #### Stopping Vulcan
 
 1. Stop Vulcan by doing `ctrl + c`
@@ -87,6 +111,9 @@ and the impact on the application's performance when deciding on the frequency.
 
 >> Please refer to your hosting platform's documentation or support services for specific instructions on how to set up scheduled tasks or cron jobs.
 
+## Releasing Vulcan
+
+For detailed information about creating a release, please refer to the [release documentation](https://github.com/mitre/vulcan/wiki/Release_vulcan).
 
 ### NOTICE