ci: update devcontainer.json script to include added deps for mkdocs

.devcontainer/devcontainer.json

@@ -11,7 +11,7 @@
   // "forwardPorts": [],
 
   // Use 'postCreateCommand' to run commands after the container is created.
-  "postCreateCommand": "pip3 install mkdocs mkdocs-material mkdocs-print-site-plugin && mkdocs serve",
+  "postCreateCommand": "pip3 install mkdocs mkdocs-material mkdocs-print-site-plugin mkdocs-with-pdf mkdocs-git-revision-date-localized-plugin && mkdocs serve",
 
   // Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
   "remoteUser": "vscode",