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

src/common/interop/two_way_pipe_message_ipc.h

@@ -0,0 +1,18 @@
+#pragma once
+class TwoWayPipeMessageIPC
+{
+public:
+    typedef void (*callback_function)(const std::wstring&);
+    TwoWayPipeMessageIPC(
+        std::wstring _input_pipe_name,
+        std::wstring _output_pipe_name,
+        callback_function p_func);
+    ~TwoWayPipeMessageIPC();
+    void send(std::wstring msg);
+    void start(HANDLE _restricted_pipe_token);
+    void end();
+
+private:
+    class TwoWayPipeMessageIPCImpl;
+    TwoWayPipeMessageIPCImpl* impl;
+};