Add a very basic example module and build it in the CI

example/example_module/source/main.cpp

@@ -0,0 +1,39 @@
+#include <coreinit/debug.h>
+#include <wums.h>
+
+WUMS_MODULE_EXPORT_NAME("homebrew_examplemodule");
+WUMS_MODULE_AUTHOR("Maschell");
+WUMS_MODULE_VERSION("0.1");
+WUMS_MODULE_LICENSE("GPL");
+WUMS_MODULE_DESCRIPTION("Just an example module");
+
+WUMS_INITIALIZE(/*wums_app_init_args_t*/ args) {
+    /* Called once when the module has been loaded */
+
+    // Information about the module can be get via the (optional) argument
+    module_information_t *module_information = args.module_information;
+
+    if (module_information == nullptr) {
+        OSFatal("Failed to get module_information pointer.");
+    }
+    // Make sure the module is using a compatible version with the loader
+    if (module_information->version != MODULE_INFORMATION_VERSION) {
+        OSFatal("The module information struct version does not match.");
+    }
+}
+
+WUMS_APPLICATION_STARTS() {
+    /* Called whenever a new application has been started */
+}
+
+WUMS_APPLICATION_REQUESTS_EXIT() {
+    /* Called whenever a application wants to exit */
+}
+
+WUMS_APPLICATION_ENDS() {
+    /* Called whenever a application actually ends */
+}
+
+WUMS_RELOCATIONS_DONE() {
+    /* Called whenever the relocations have been updated, but before WUMS_APPLICATION_STARTS() */
+}