Add code editor field docs

Author: sangnguyenplus

docs/cms/form-builder-code-editor-field.md

@@ -0,0 +1,25 @@
+# Code Editor Field
+
+```php
+
+use Botble\Base\Forms\Fields\CodeEditorField;
+use Botble\Base\Forms\FieldOptions\CodeEditorFieldOption;
+
+$this->add(
+    'field_name', 
+    CodeEditorField::class,
+    CodeEditorFieldOption::make()
+        ->mode('css') // Set mode for code editor (html, css, js, php, ...)
+);
+
+```
+
+Result:
+
+- CSS:
+
+![Code Editor Field](./images/form-code-editor.png)
+
+- JavaScript:
+
+![Code Editor Field](./images/form-code-editor-js.png)

docs/cms/images/form-code-editor-js.png

@@ -64,6 +64,7 @@ export default [
             { text: 'Get started', link: '/cms/form-builder-get-started' },
             { text: 'Input Fields', link: '/cms/form-builder-input-fields' },
             { text: 'Editor Field', link: '/cms/form-builder-editor-field' },
+            { text: 'Code Editor Field', link: '/cms/form-builder-code-editor-field' },
             { text: 'Select Field', link: '/cms/form-builder-select-field' },
             { text: 'On/off Field', link: '/cms/form-builder-on-off-field' },
             { text: 'Radio Field', link: '/cms/form-builder-radio-field' },