Adding style tag to frontend/layouts/project.vue

Addressing low contrast of markdown editor in dark mode
Issue #955

frontend/layouts/project.vue

@@ -67,3 +67,42 @@ export default {
   }
 }
 </script>
+
+<style>
+/* dark mode styles */
+.theme--dark .tui-editor-contents h1 {
+  color: #fff; /* inversion of #000 */
+}
+.theme--dark .tui-editor-contents h2,
+.theme--dark .tui-editor-contents h3,
+.theme--dark .tui-editor-contents h4,
+.theme--dark .tui-editor-contents h5,
+.theme--dark .tui-editor-contents h6,
+.theme--dark .tui-editor-contents code span {
+  color: #ccc; /* inversion of #333 */
+}
+.theme--dark .tui-editor-contents blockquote {
+  color: #888; /* inversion of #777777 */
+}
+.theme--dark .tui-editor-contents ul,
+.theme--dark .tui-editor-contents menu,
+.theme--dark .tui-editor-contents ol,
+.theme--dark .tui-editor-contents dir,
+.theme--dark .tui-editor-contents p,
+.theme--dark .tui-editor-contents table {
+  color: #aaa; /* inversion of #555555 */
+}
+.theme--dark .tui-editor-contents table td {
+border: #151515; /* inversion of #eaeaea */
+}
+.theme--dark .tui-editor-contents table th {
+  border: #8d8884; /* inversion of #72777b */
+  background-color: #847e7b; /* inversion of #7b8184 */
+}
+.theme--dark .tui-editor-contents pre {
+  background-color: #0a0807; /* inversion of #f5f7f8 */
+}
+.theme--dark .tui-editor-contents code {
+  color: #3e8774; /* inversion of #c1788b */
+}
+</style>