make some Reame

src/http_static.cpp.tmpl

@@ -0,0 +1,10 @@
+#include "http_static.h"
+
+namespace http_static {
+  const char index_html[] PROGMEM = R"rawliteral(
+%index.html%
+)rawliteral";
+  const char sensor_things_resp[] PROGMEM = R"rawliteral(
+%sensor_things_tmpl.json%
+)rawliteral";
+}