feat: convert entire CLI to clibase (#6491)

I'm sorry.

docs/cli/users_show.md

@@ -0,0 +1,28 @@
+<!-- DO NOT EDIT | GENERATED CONTENT -->
+
+# users show
+
+Show a single user. Use 'me' to indicate the currently authenticated user.
+
+## Usage
+
+```console
+coder users show [flags] <username|user_id|'me'>
+```
+
+## Description
+
+```console
+  $ coder users show me
+```
+
+## Options
+
+### -o, --output
+
+|         |                     |
+| ------- | ------------------- |
+| Type    | <code>string</code> |
+| Default | <code>table</code>  |
+
+Output format. Available formats: table, json.