feat(docs): Group CLI examples by schema type with tabs (#2696)

* docs: Update CLI documentation examples to improve clarity and consistency

* docs: update CLI reference documentation

🤖 Generated by GitHub Actions

* add examples

* docs: update CLI reference documentation

🤖 Generated by GitHub Actions

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: koxudaxi

docs/cli-reference/base-options.md

@@ -31,7 +31,9 @@ For consistent cross-platform behavior, explicitly specify `--encoding utf-8`.
 
     1. :material-arrow-left: `--encoding` - the option documented here
 
-??? example "Input Schema"
+??? example "Examples"
+
+    **Input Schema:**
 
     ```json
     {
@@ -51,7 +53,7 @@ For consistent cross-platform behavior, explicitly specify `--encoding utf-8`.
     }
     ```
 
-??? example "Output"
+    **Output:**
 
     ```python
     # generated by datamodel-codegen:
@@ -88,7 +90,9 @@ schemas. Required unless using `--url` to fetch schema from a URL.
 
     1. :material-arrow-left: `--input` - the option documented here
 
-??? example "Input Schema"
+??? example "Examples"
+
+    **Input Schema:**
 
     ```json
     {
@@ -109,7 +113,7 @@ schemas. Required unless using `--url` to fetch schema from a URL.
     }
     ```
 
-??? example "Output"
+    **Output:**
 
     ```python
     # generated by datamodel-codegen:
@@ -147,7 +151,9 @@ json, yaml, csv, graphql.
 
     1. :material-arrow-left: `--input-file-type` - the option documented here
 
-??? example "Input Schema"
+??? example "Examples"
+
+    **Input Schema:**
 
     ```json
     {
@@ -158,7 +164,7 @@ json, yaml, csv, graphql.
     }
     ```
 
-??? example "Output"
+    **Output:**
 
     ```python
     # generated by datamodel-codegen:
@@ -198,7 +204,9 @@ is written to stdout.
 
     1. :material-arrow-left: `--output` - the option documented here
 
-??? example "Input Schema"
+??? example "Examples"
+
+    **Input Schema:**
 
     ```json
     {
@@ -219,7 +227,7 @@ is written to stdout.
     }
     ```
 
-??? example "Output"
+    **Output:**
 
     ```python
     # generated by datamodel-codegen:
@@ -258,7 +266,9 @@ Format: `HeaderName:HeaderValue`.
 
     1. :material-arrow-left: `--url` - the option documented here
 
-??? example "Input Schema"
+??? example "Examples"
+
+    **Input Schema:**
 
     ```json
     {
@@ -279,7 +289,7 @@ Format: `HeaderName:HeaderValue`.
     }
     ```
 
-??? example "Output"
+    **Output:**
 
     ```python
     # generated by datamodel-codegen: