Enable termynal plugin and CLI docs wiring

Author: anatoly-scherbakov

mkdocs.yml

@@ -54,6 +54,9 @@ plugins:
       collapse_single_pages: true
   - macros:
       module_name: docs_macros
+  - mkdocs-typer2:
+      pretty: true
+      engine: native
   - mkdocstrings:
       handlers:
         python:
@@ -66,3 +69,6 @@ plugins:
             show_signature_annotations: true
             heading_level: 2
   - search
+  # Injects termynal.css / termynal.js, which style and animate the
+  # `data-termynal` markup that mkdocs-typer2 emits for `:termynal: true`.
+  - termynal