docs: bugfix/formatting faq docs (#1027)

* fixed formatting of faq and enhanced styling

* save

* did further improvements and fixing the sidebar

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Co-authored-by: Anirban Kar <thecodacus@gmail.com>

docs/mkdocs.yml

@@ -65,4 +65,12 @@ markdown_extensions:
   - pymdownx.details
   - pymdownx.superfences
   - pymdownx.mark
-  - attr_list
+  - attr_list
+  - md_in_html
+  - tables
+  - def_list
+  - admonition
+  - pymdownx.tasklist:
+      custom_checkbox: true
+  - toc:
+      permalink: true