first commit

.vscode/settings.json

@@ -0,0 +1,10 @@
+{
+    "files.associations": {
+        "*.rmd": "markdown",
+        "stdio.h": "c",
+        "ch32v003fun.h": "c",
+        "w5500.h": "c",
+        "wizchip_conf.h": "c",
+        "socket.h": "c"
+    }
+}