Add line numbers in SQL input textarea

Bug: T315066

Author: siddharthvp

quarry/web/static/css/query/view.css

@@ -66,6 +66,10 @@ table#query-results-sampled {
     min-height: 144px;
 }
 
+.cm-s-monokai .CodeMirror-linenumber {
+    color: #858484;
+}
+
 #code {
     font-family: Monaco, Consolas, "Ubuntu Mono", monospace;
     width: 100%;

quarry/web/static/js/query/view.js

@@ -14,7 +14,8 @@ $( function () {
 			mode: 'text/x-mariadb',
 			theme: 'monokai',
 			readOnly: !vars.can_edit,
-			matchBrackets: true
+			matchBrackets: true,
+			lineNumbers: true
 		} );
 	}