Add support for math equations

Author: ramsayleung

config.yml

@@ -29,6 +29,7 @@ params:
   # author: ["Me", "You"] # multiple authors
   images: ["<link or path of image for opengraph, twitter-cards>"]
   DateFormat: "January 2, 2006"
+  math: true
   defaultTheme: auto # dark, light
   disableThemeToggle: false
 

data/quotes.yaml

@@ -198,3 +198,5 @@ quotes:
     author: "乔布斯"
   - text: "所谓大学之大，非有大楼之谓也，乃有大师之谓也。"
     author: 梅贻琦
+  - text: "Time is a device that was invented to keep everything from happening at once"
+    author: 剑桥大学建筑涂鸦

layouts/partials/extend_head.html

@@ -0,0 +1,3 @@
+{{ if or .Params.math .Site.Params.math }}
+{{ partial "math.html" . }}
+{{ end }}

layouts/partials/math.html

@@ -0,0 +1,20 @@
+<!-- https://adityatelange.github.io/hugo-PaperMod/posts/math-typesetting/ -->
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.css" integrity="sha384-5TcZemv2l/9On385z///+d7MSYlvIEw9FuZTIdZ14vJLqWphw7e7ZPuOiCHJcFCP" crossorigin="anonymous">
+<script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js" integrity="sha384-cMkvdD8LoxVzGF/RPUKAcvmm49FQ0oxwDF3BGKtDXcEc+T1b2N+teh/OJfpU0jr6" crossorigin="anonymous"></script>
+<script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/contrib/auto-render.min.js" integrity="sha384-hCXGrW6PitJEwbkoStFjeJxv+fSOOQKOPbJxSfM6G5sWZjAyWhXiTIIAmQqnlLlh" crossorigin="anonymous"></script>
+<script>
+    document.addEventListener("DOMContentLoaded", function() {
+        renderMathInElement(document.body, {
+          // customised options
+          // • auto-render specific keys, e.g.:
+          delimiters: [
+              {left: '$$', right: '$$', display: true},
+              {left: '$', right: '$', display: false},
+              {left: '\\(', right: '\\)', display: false},
+              {left: '\\[', right: '\\]', display: true}
+          ],
+          // • rendering keys, e.g.:
+          throwOnError : false
+        });
+    });
+</script>