feat(cli): add docgen cmd for mkdocs pages

docs/cli/float-rule.md

@@ -0,0 +1,19 @@
+# float-rule
+
+```
+Add a rule to always float the specified application
+
+Usage: float-rule <IDENTIFIER> <ID>
+
+Arguments:
+  <IDENTIFIER>
+          [possible values: exe, class, title]
+
+  <ID>
+          Identifier as a string
+
+Options:
+  -h, --help
+          Print help
+
+```