Added a new document for GaraSign Verification

Author: sgaikwad-rocket

docs/usage/GaraSign.md

@@ -0,0 +1,29 @@
+# GaraSign - Code Signing
+
+GaraSign is Rocket's new tool for code signing and verifying the detached signatures. Please follow the steps below:
+
+## Verify Command
+   
+```bash
+openssl dgst -verify <public key file> -signature <signature> <file to verify>
+```
+
+### Below is detailed information on how to execute the verify command:
+
+1. Extract the **signature file** and **public key** files from the **'rocket-mvbasic-2.5.0-garasign.zip'** zip file.
+  
+2. Unzip the **'rocket-mvbasic-2.5.0-garasign.zip'** zip file and execute the command below for verification:
+
+    ```bash
+    openssl dgst -verify rocket_mv.pem.pub.key -signature rocket-mvbasic-2.5.0.vsix.sig rocket-mvbasic-2.5.0.vsix
+
+    Verified OK
+    ```
+
+3. Failed use cases:
+   
+    ```bash
+    openssl dgst -verify rocket_mv.pem.pub.key -signature rocket-mvbasic-2.5.0.vsix.sig rocket-mvbasic-2.5.0.vsix
+
+    Verification Failure
+    ```

mkdocs.yml

@@ -15,6 +15,7 @@ nav:
         - 'Diagnostics': usage/Diagnostics.md
         - 'Folding': 'usage/Folding.md'
         - 'Formatting': 'usage/Formatting.md'
+        - 'GaraSign': 'usage/GaraSign.md'
         - 'Group View': 'usage/GroupView.md'
         - 'Hover': 'usage/Hover.md'
         - 'INCLUDE settings': 'usage/Include.md'