Add experimental C-API for evaluation

capi/example.c

@@ -0,0 +1,19 @@
+#include "libuwebsockets.h"
+#include <stdio.h>
+
+void get_handler(uws_res_t *res, uws_req_t *req) {
+    uws_res_end(res, "Hello CAPI!", 11);
+}
+
+void listen_handler(void *listen_socket) {
+    if (listen_socket) {
+        printf("Listening on port now\n");
+    }
+}
+
+int main() {
+    uws_app_t *app = uws_create_app();
+    uws_app_get(app, "/*", get_handler);
+    uws_app_listen(app, 3000, listen_handler);
+    uws_app_run(app);
+}