feat: test if local links exist in ci

test_links.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+from pathlib import Path
+import re
+from typing import List
+from os.path import exists
+
+
+def get_all_markdown_files():
+    return Path("content").rglob("*.md")
+
+
+def find_links(f: str) -> List[str]:
+    with open(f, "r") as fd:
+        content = fd.read()
+    return [
+        link.lstrip("]").strip("()") for link in re.findall(r"\]\(\/[\w\/]+\)", content)
+    ]
+
+
+def verify_link_exists(link: str) -> bool:
+    return exists(f"content{link}/_index.md") or exists(f'content{link.rstrip("/")}.md')
+
+
+md_files = get_all_markdown_files()
+
+res = 0
+for f in md_files:
+    for link in find_links(f):
+        if not verify_link_exists(link):
+            print(f"E: {f}: {link} does not exist")
+            res = 1
+
+exit(res)