feat: increase contrast of default theme

Signed-off-by: stanley2058 <[email protected]>

Author: stanley2058

public/css/codemirror-extend/one-dark.css

@@ -0,0 +1,13 @@
+.cm-s-one-dark .CodeMirror-linenumber {
+  color: #676767;
+}
+
+.cm-s-one-dark.CodeMirror-focused
+  .CodeMirror-activeline
+  .CodeMirror-gutter-elt {
+  color: #b0b0b0;
+}
+
+.cm-s-one-dark .cm-comment {
+  color: #818895;
+}

webpack.common.js

@@ -263,6 +263,7 @@ module.exports = {
       path.join(__dirname, 'public/css/codemirror-extend/ayu-mirage.css'),
       path.join(__dirname, 'public/css/codemirror-extend/tomorrow-night-bright.css'),
       path.join(__dirname, 'public/css/codemirror-extend/tomorrow-night-eighties.css'),
+      path.join(__dirname, 'public/css/codemirror-extend/one-dark.css'),
       path.join(__dirname, 'node_modules/@hackmd/codemirror/mode/tiddlywiki/tiddlywiki.css'),
       path.join(__dirname, 'node_modules/@hackmd/codemirror/mode/mediawiki/mediawiki.css'),
       path.join(__dirname, 'public/css/github-extract.css'),