docs: fix deadlinks (#1614)

* docs: fix broken links

* chore: update docs/conf.py

Co-authored-by: Han Xiao <artex.xh@gmail.com>

CONTRIBUTING.md

@@ -211,7 +211,7 @@ feat: add remote api
 
 #### What if I Mess Up?
 
-We all make mistakes. GitHub has a guide on [rewriting commit messages](https://help.github.com/en/github/committing-changes-to-your-project/changing-a-commit-message) to they can adhere to our standards.
+We all make mistakes. GitHub has a guide on [rewriting commit messages](https://docs.github.com/en/free-pro-team@latest/github/committing-changes-to-your-project/changing-a-commit-message) to they can adhere to our standards.
 
 You can also install [commitlint](https://commitlint.js.org/#/) onto your own machine and check your commit message by running:
 

docs/conf.py

@@ -120,6 +120,16 @@
 html_last_updated_fmt = ''
 nitpicky = True
 nitpick_ignore = [('py:class', 'type')]
+linkcheck_ignore = [
+    # Avoid link check on local uri
+    "http://0.0.0.0:*",
+    # Avoid errors due to GitHub rate limit
+    # https://github.com/sphinx-doc/sphinx/issues/7388
+    "https://github.com/jina-ai/jina/commit/*",
+]
+linkcheck_timeout = 20
+linkcheck_retries = 2
+linkcheck_anchors = False
 
 def setup(app):
     from sphinx.domains.python import PyField