common: refactor common library pt2 (#8588)

- remove common lib
- split settings, remove common-md
- move ipc interop/kb_layout to interop
- rename core -> settings, settings -> old_settings
- os-detect header-only; interop -> PowerToysInterop
- split notifications, move single-use headers where they're used
- winstore lib
- rename com utils
- rename Updating and Telemetry projects
- rename core -> settings-ui and remove examples folder
- rename settings-ui folder + consisent common/version include

installer/PowerToysBootstrapper/bootstrapper/RcResource.cpp

@@ -0,0 +1,40 @@
+#include "pch.h"
+#include "RcResource.h"
+
+#include <fstream>
+
+std::optional<RcResource> RcResource::create(int resource_id, const std::wstring_view resource_class)
+{
+    const HRSRC resHandle = FindResourceW(nullptr, MAKEINTRESOURCEW(resource_id), resource_class.data());
+    if (!resHandle)
+    {
+        return std::nullopt;
+    }
+    const HGLOBAL memHandle = LoadResource(nullptr, resHandle);
+    if (!memHandle)
+    {
+        return std::nullopt;
+    }
+    const size_t resSize = SizeofResource(nullptr, resHandle);
+    if (!resSize)
+    {
+        return std::nullopt;
+    }
+    auto res = static_cast<const std::byte*>(LockResource(memHandle));
+    if (!res)
+    {
+        return std::nullopt;
+    }
+    return RcResource{ res, resSize };
+}
+
+bool RcResource::saveAsFile(const std::filesystem::path destination)
+{
+    std::fstream installerFile{ destination, std::ios_base::binary | std::ios_base::out | std::ios_base::trunc };
+    if (!installerFile.is_open())
+    {
+        return false;
+    }
+    installerFile.write(reinterpret_cast<const char*>(_memory), _size);
+    return true;
+}