Bundling JS with ESBuild (#702)

* add npm dependencies used in this theme

* implement helper to configure JS and ESBuild

* migrate jquery popper.js bootstrap fontawesome to js bundle

* refactor main.js into smaller pieces, and moved navbar.js to assets

* remove list.js. It adjusts post card height to be the same, but is actually not needed.

* refactored notes.js, search.js, single.js into application.js

* move ityped to js asset, implement experiences horizontal vertical line in css

* align recent post height via css

* migrated home.js and refactored into various sections

* migrated darkMode feature to js bundle

* moved mermaid feature to js bundle

* migrate syntax highlight to js bundle

* migrate katex ( js portion ) to js bundle

* migrate pdf-js to js bundle by delegating to cdn

* set explicit comparisions for feature envvars so js can properly optimize

* removed goat-counter

* more fixes for broken achievements and small bugs

* more bug fixes

* allow configuration of hightlight.js, fix video-player shortcode

* remove jquery all together

* add null handling and fix merge conflicts

Co-authored-by: Aaron Qian <aaron@yeet.io>

assets/scripts/features/math/katex.js

@@ -0,0 +1,21 @@
+import renderMathInElement from 'katex/contrib/auto-render'
+import * as params from '@params'
+
+const defaultOptions = {
+  delimiters: [
+    { left: '$$', right: '$$', display: true },
+    { left: '\\[', right: '\\]', display: true },
+    { left: '$', right: '$', display: false },
+    { left: '\\(', right: '\\)', display: false }
+  ]
+}
+
+window.addEventListener('DOMContentLoaded', () => {
+  renderMathInElement(
+    document.body,
+    {
+      ...defaultOptions,
+      ...(params.math?.katex || {})
+    }
+  )
+})