feat: add new dependencies for math and accessibility support

- Added rehype-accessible-emojis, rehype-katex, remark-math, and remark-toc to package.json for enhanced content rendering.
- Updated main layout to include KaTeX stylesheet for math rendering.
- Increased max-width for post layout to improve readability.
- Added a new post on compilation principles with detailed notes and structured content.

Author: Robert-Stackflow

astro.config.mjs

@@ -1,8 +1,16 @@
 import { defineConfig } from "astro/config";
+import remarkMath from "remark-math";
+import rehypeKatex from "rehype-katex";
+import remarkToc from "remark-toc";
+import { rehypeAccessibleEmojis } from "rehype-accessible-emojis";
 
 import tailwind from "@astrojs/tailwind";
 
 // https://astro.build/config
 export default defineConfig({
-	integrations: [tailwind()],
+  integrations: [tailwind()],
+  markdown: {
+    remarkPlugins: [remarkMath, [remarkToc, { heading: "toc", maxDepth: 5 }]],
+    rehypePlugins: [rehypeKatex, rehypeAccessibleEmojis],
+  },
 });