feat: add marked-footnote extension for markdown footnote rendering

Author: koya0

package.json

@@ -39,6 +39,7 @@
     "dotenv": "^16.3.1",
     "esbuild-plugin-env": "^1.0.8",
     "marked": "^11.0.0",
+    "marked-footnote": "^1.2.4",
     "wrangler": "^3.83.0"
   },
   "devDependencies": {

src/home/rendering/render-github-issues.ts

@@ -1,4 +1,5 @@
 import { marked } from "marked";
+import markedFootnote from "marked-footnote";
 import { organizationImageCache } from "../fetch-github/fetch-issues-full";
 import { GitHubIssue } from "../github-types";
 import { taskManager } from "../home";
@@ -170,6 +171,9 @@ export async function viewIssueDetails(full: GitHubIssue) {
     bottomBar.prepend(clonedLabels);
   }
 
+  // Use footnote extension for `marked`
+  marked.use(markedFootnote());
+
   // Set the issue body content using `marked`
   modalBodyInner.innerHTML = marked(full.body) as string;