add zhengchen_ml307 board（征辰科技） (#641)

* add zhengchen_ml307 board

* add boards_http

main/boards/zhengchen-1.54tft-ml307/README.md

@@ -0,0 +1,45 @@
+# 产品相关介绍网址
+
+```http
+https://e.tb.cn/h.6Gl2LC7rsrswQZp?tk=qFuaV9hzh0k CZ356
+```
+
+# 编译配置命令
+
+**配置编译目标为 ESP32S3：**
+
+```bash
+idf.py set-target esp32s3
+```
+
+**打开 menuconfig：**
+
+```bash
+idf.py menuconfig
+```
+
+**选择板子：**
+
+```
+Xiaozhi Assistant -> Board Type -> zhengchen-1.54tft-ml307
+```
+
+```
+
+**编译：**
+
+bash
+idf.py build
+```
+
+**下载：**
+idf.py build flash monitor
+
+进行下载和显示日志
+
+
+**固件生成：**
+
+```bash
+idf.py merge-bin
+```