Update .gitignore to include additional static assets for KaTeX, add KaTeX and Commander dependencies in package.json and bun.lock, enhance footer with an About link in base.html, and improve work card links in index.html. Update Vite configuration for asset handling and add new components in SASS files.

data/math-dse-curriculum.json

@@ -0,0 +1,85 @@
+{
+  "title": "Hong Kong Mathematics",
+  "subtitle": "DSE Compulsory Part (S4–S6)",
+  "intro": "Structured around the three core strands of the Hong Kong mathematics curriculum. Chapters marked as available can be read now; others are on the roadmap.",
+  "strands": [
+    {
+      "id": "number-algebra",
+      "title": "Number & Algebra",
+      "chapters": [
+        {
+          "slug": "quadratic-equations",
+          "title": "Quadratic equations",
+          "status": "live"
+        },
+        {
+          "slug": "sequences",
+          "title": "Sequences & series",
+          "status": "planned"
+        },
+        {
+          "slug": "functions-graphs",
+          "title": "Functions & graphs",
+          "status": "planned"
+        },
+        {
+          "slug": "linear-programming",
+          "title": "Linear programming",
+          "status": "planned"
+        }
+      ]
+    },
+    {
+      "id": "measures-shape-space",
+      "title": "Measures, Shape & Space",
+      "chapters": [
+        {
+          "slug": "trigonometry",
+          "title": "Advanced trigonometry",
+          "status": "planned"
+        },
+        {
+          "slug": "coordinate-geometry",
+          "title": "Coordinate geometry of circles",
+          "status": "planned"
+        },
+        {
+          "slug": "circle-properties",
+          "title": "Properties of circles",
+          "status": "planned"
+        },
+        {
+          "slug": "loci",
+          "title": "Loci",
+          "status": "planned"
+        }
+      ]
+    },
+    {
+      "id": "data-handling",
+      "title": "Data Handling",
+      "chapters": [
+        {
+          "slug": "dispersion",
+          "title": "Measures of dispersion",
+          "status": "planned"
+        },
+        {
+          "slug": "probability",
+          "title": "Permutations, combinations & probability",
+          "status": "planned"
+        },
+        {
+          "slug": "normal-distribution",
+          "title": "Normal distribution & z-scores",
+          "status": "planned"
+        },
+        {
+          "slug": "statistical-literacy",
+          "title": "Statistical literacy",
+          "status": "planned"
+        }
+      ]
+    }
+  ]
+}