feat: add syntax highlighting plugin and styles for code blocks

package-lock.json

@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "@11ty/eleventy": "^2.0.1",
+        "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.2",
         "cors": "^2.8.5",
         "express": "^4.21.2",
         "fs-extra": "^11.3.1"
@@ -107,6 +108,18 @@
         "url": "https://opencollective.com/11ty"
       }
     },
+    "node_modules/@11ty/eleventy-plugin-syntaxhighlight": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/@11ty/eleventy-plugin-syntaxhighlight/-/eleventy-plugin-syntaxhighlight-5.0.2.tgz",
+      "integrity": "sha512-T6xVVRDJuHlrFMHbUiZkHjj5o1IlLzZW+1IL9eUsyXFU7rY2ztcYhZew/64vmceFFpQwzuSfxQOXxTJYmKkQ+A==",
+      "dependencies": {
+        "prismjs": "^1.30.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/11ty"
+      }
+    },
     "node_modules/@11ty/eleventy-utils": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/@11ty/eleventy-utils/-/eleventy-utils-1.0.3.tgz",
@@ -2196,6 +2209,14 @@
         "node": ">= 4"
       }
     },
+    "node_modules/prismjs": {
+      "version": "1.30.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.30.0.tgz",
+      "integrity": "sha512-DEvV2ZF2r2/63V+tK8hQvrR2ZGn10srHbXviTlcv7Kpzw8jWiNTqbVgjO3IY8RxrrOUF8VPMQQFysYYYv0YZxw==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/promise": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",