Add revision date to pages. (#244)

* Add revision date plugin

Adds last revision date of page to footer.

https://squidfunk.github.io/mkdocs-material/plugins/revision-date/

* Activate revision date plugin

Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>

mkdocs.yml

@@ -118,3 +118,7 @@ extra:
 
 extra_css:
   - extra.css
+
+plugins:
+  - search
+  - git-revision-date-localized

requirements.txt

@@ -9,6 +9,7 @@ MarkupSafe==1.1.1
 mkdocs==1.0.4
 mkdocs-material==4.6.2
 mkdocs-minify-plugin==0.2.1
+mkdocs-git-revision-date-localized-plugin==0.4.5
 Pygments==2.5.2
 pymdown-extensions==6.3
 PyYAML==5.3