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/_shallowProperty.js

@@ -0,0 +1,6 @@
+// Internal helper to generate a function to obtain property `key` from `obj`.
+export default function shallowProperty(key) {
+  return function(obj) {
+    return obj == null ? void 0 : obj[key];
+  };
+}