1、【增加】CoAP 选项。

Signed-off-by: armink <armink.ztl@gmail.com>

mg_locals.h

@@ -77,6 +77,12 @@
     #define MG_ENABLE_MQTT                       0
 #endif
 
+#if defined(PKG_MONGOOSE_ENABLE_COAP)
+    #define MG_ENABLE_COAP                       1
+#else
+    #define MG_ENABLE_COAP                       0
+#endif
+
 #if defined(PKG_MONGOOSE_ENABLE_HEXDUMP)
     #define MG_ENABLE_HEXDUMP                    1
 #else