[TASK] Add documentation for -q arg

README.md

@@ -86,7 +86,8 @@ Please note that the following steps need to be executed before a new release:
 
 * __sgc__: Loads a BrowserSync instance and listens for file changes (triggers css and js compilation)
     * __sgc -s__: Loads the BrowserSync instance, but prevents it from automatically open in the browser
-    * __sgc -d domain.dev__: Starts the BrowserSync instance with the specified dev-domain (must be configured in .sgc-config.json) 
+    * __sgc -q__: Loads the BrowserSync instance, but disables desktop notifications
+    * __sgc -d domain.dev__: Starts the BrowserSync instance with the specified dev-domain (must be configured in .sgc-config.json)
 * __sgc css__: Runs the CSS QA task (linting) and compiles all CSS files
 * __sgc css:qa__:  Runs only the CSS QA task (linting)
 * __sgc js__: Runs the JS QA task (linting) and compiles all JS/TS files