Moved hello.c example to its own dir

examples/hello_world/hello_world.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <string.h>
+#include "mongoose.h"
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_AUTH: return MG_TRUE;
+    case MG_REQUEST:
+      mg_printf_data(conn, "Hello! Requested URI is [%s]", conn->uri);
+      return MG_TRUE;
+    default: return MG_FALSE;
+  }
+}
+
+int main(void) {
+  struct mg_server *server;
+
+  // Create and configure the server
+  server = mg_create_server(NULL, ev_handler);
+  mg_set_option(server, "listening_port", "8080");
+
+  // Serve request. Hit Ctrl-C to terminate the program
+  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+  for (;;) {
+    mg_poll_server(server, 1000);
+  }
+
+  // Cleanup, and free server instance
+  mg_destroy_server(&server);
+
+  return 0;
+}