expanded on the todos section

README.md

@@ -73,8 +73,9 @@ TODO: describe environment variables in post-receive hook
 
 ## todos
 
-- ☐ nav link: License (look for LICENSE file)
-- ☐ nav link: Contributors
+- ☐ if no README.md file exists in the root directory of the repository, then don't create the "about" nav link. instead, make the files page the index.html
+- ☐ add a "license" nav link if a LICENSE file exists in the root directory of the repository. if no LICENSE file exists, then don't create the "license" nav link
+- ☐ add a "contributors" nav link
 
 ## hopes
 
@@ -82,5 +83,3 @@ TODO: describe environment variables in post-receive hook
 - ☐ render images
 - ☐ make repos with more files and directories less daunting (recursively generate a files list page for each directory in a repo?)
 - ☐ nav link: Releases
-
-TODO