Enable strict mode in myst build (#330)

* Enable strict docs build

Catch errors in PRs before they go live!

* Downgrade link resolution errors for Google to warnings

* Downgrade link resolution checks for Bloomberg to warnings

Author: mfisher87

docs/myst.yml

@@ -87,6 +87,13 @@ project:
             - file: bootstrapping_subproject_councils.md
             - file: bootstrapping_executive_council.md
 
+  error_rules:
+    - rule: "link-resolves"
+      keys:
+        - "https://google.com/"
+        - "https://www.bloomberg.com"
+      severity: "warn"
+
 site:
   template: book-theme
   options:

noxfile.py

@@ -12,7 +12,7 @@ def docs(session):
     session.install("-r", "requirements.txt")
     session.chdir("docs")
     session.run("npm", "install", external=True)
-    session.run("myst", "build", "--html")
+    session.run("myst", "build", "--strict", "--html")
 
 
 @nox.session(name="docs-live")