Fix links.

Author: eswan18

uc_python/collate.py

@@ -11,12 +11,12 @@
 
 # Build an index as we go
 index = site / "index.html"
-index.write_text("<h1>UC Python Slides</h1>")
+index.write_text("<h1>UC Python Slides</h1>\n")
 for repo in folder.glob("*"):
     slides_dir = (repo / "slides")
     if not slides_dir.exists():
         print(f"no slides in {slides_dir}, skipping")
         continue
     slides_dir.rename(site / repo.name)
     with open(index, 'at') as f:
-        f.write(f'<a href="/{repo.name}">{repo.name}</a>\n')
+        f.write(f'<a href="{repo.name}">{repo.name}</a>\n')