fix: serve quartz with clean URL support and regenerate site

- Add serve.py to resolve clean Quartz URLs to .html files
- Regenerate Quartz site with correct baseUrl http://100.118.5.51:9120
- 196 HTML files emitted; all internal links now resolve

node_modules/underscore/modules/chain.js

@@ -0,0 +1,8 @@
+import _ from './underscore.js';
+
+// Start chaining a wrapped Underscore object.
+export default function chain(obj) {
+  var instance = _(obj);
+  instance._chain = true;
+  return instance;
+}