Update to adjust keyword color in markdown mode

Author: jackycute

theme/one-dark.css

@@ -120,6 +120,11 @@ borrow some color from tomorrow-night-eighties
 .cm-s-one-dark .cm-tag {
   color: #e06c75;
 }
+.cm-s-one-dark .cm-m-markdown.cm-keyword,
+.cm-s-one-dark .cm-m-markdown.cm-builtin,
+.cm-s-one-dark .cm-m-markdown.cm-tag {
+  color: #98c379;
+}
 .cm-s-one-dark .cm-string {
 /*  color: #98c379;*/
   color: #6699cc;