add faces bottom and keyboard sch

docs/en/core/face_kit.md

@@ -357,6 +357,14 @@ For more information about Pin assignment and Pin Remapping, Please refer to [ES
 
 - [Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
+### bottom
+
+<img src="assets\img\product_pics\core\faces_kit\Faces_bottom_sch.webp">
+
+### keyboard
+
+<img src="assets\img\product_pics\core\faces_kit\Faces_keyboard_sch.webp">
+
 ## Version Change
 
 <div class="table-wrapper">

docs/en/module/faces.md

@@ -46,6 +46,10 @@
    </tr>
  </table>
 
+ ## Schematic
+
+<img src="assets\img\product_pics\core\faces_kit\Faces_bottom_sch.webp">
+
 <script>
 
    var purchase_link = 'https://m5stack.com/collections/all/products/m5-faces-bottom-board';

docs/zh_CN/core/face_kit.md

@@ -262,6 +262,14 @@
 
 - [原理图](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
+### 底座
+
+<img src="assets\img\product_pics\core\faces_kit\Faces_bottom_sch.webp">
+
+### 键盘
+
+<img src="assets\img\product_pics\core\faces_kit\Faces_keyboard_sch.webp">
+
 ## 版本变更
 
 <div class="table-wrapper">

docs/zh_CN/module/faces.md

@@ -46,6 +46,11 @@
    </tr>
  </table>
 
+## 原理图
+
+<img src="assets\img\product_pics\core\faces_kit\Faces_bottom_sch.webp">
+
+
 ## 案例程序
 
 - **[例程](https://github.com/m5stack/M5Stack/tree/master/examples/Modules/FACES)**