Refactor Members Directory and Newsletter Archive styles to use new color palette

- Updated color classes in MembersDirectory.js to use new color variables for borders, backgrounds, and text.
- Enhanced visual consistency by replacing hardcoded colors with Tailwind CSS color utilities.
- Modified NewsletterArchive.js to align with the new design system, ensuring a cohesive look across components.
- Added new color variables in tailwind.config.js for better maintainability and scalability.

.crossnote/parser.js

@@ -0,0 +1,12 @@
+({
+  // Please visit the URL below for more information:
+  // https://shd101wyy.github.io/markdown-preview-enhanced/#/extend-parser
+
+  onWillParseMarkdown: async function(markdown) {
+    return markdown;
+  },
+
+  onDidParseMarkdown: async function(html) {
+    return html;
+  },
+})