Add docs theme toggle and update requirements.txt

mkdocs.yml

@@ -49,7 +49,14 @@ theme:
   favicon: img/favicon.ico
   logo: img/lens-logo-icon.svg
   palette:
-    scheme: preference
+    - scheme: default
+      toggle:
+        icon: material/toggle-switch
+        name: Switch to light mode
+    - scheme: slate
+      toggle:
+        icon: material/toggle-switch-off-outline
+        name: Switch to dark mode
   features:
     - navigation.instant
 

mkdocs/requirements.txt

@@ -1,4 +1,8 @@
 # Direct dependencies
-mkdocs==1.1.2
-mkdocs-material==6.1.0
-mkdocs-git-revision-date-localized-plugin==0.7.3
+mkdocs>=1.1
+Pygments>=2.4
+markdown>=3.2
+pymdown-extensions>=7.0
+mkdocs-material-extensions>=1.0
+mkdocs-git-revision-date-localized-plugin>=0.7.3
+mkdocs-material>=6.1.0