[INFRA] Use full page width (bids-standard#2216)

Author: effigies

mkdocs.yml

@@ -107,6 +107,7 @@ extra_javascript:
   - js/jquery-3.6.0.min.js
 extra_css:
   - css/tsv.css
+  - css/dynamic-width.css
 markdown_extensions:
   - toc:
       anchorlink: true

src/css/dynamic-width.css

@@ -0,0 +1,3 @@
+.md-main__inner.md-grid {
+    max-width: fit-content;
+}