Implement http-module (#637)

Create http-module and implement it in App Hub and App Hub Details apps.

Modules/http-module/source/module.cpp

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: Apache-2.0
+#include <http/download.h>
+#include <http/module.h>
+
+extern "C" {
+
+static const ModuleSymbol http_module_symbols[] = {
+    DEFINE_MODULE_SYMBOL(http_download_subscribe),
+    DEFINE_MODULE_SYMBOL(http_download_unsubscribe),
+    DEFINE_MODULE_SYMBOL(http_download_poll),
+    DEFINE_MODULE_SYMBOL(http_download_start),
+    DEFINE_MODULE_SYMBOL(http_download_cancel),
+    MODULE_SYMBOL_TERMINATOR
+};
+
+Module http_module = {
+    .name = "http",
+    .start = nullptr,
+    .stop = nullptr,
+    .drivers = nullptr,
+    .symbols = http_module_symbols,
+    .internal = nullptr,
+};
+
+}