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/async_message_queue.h

@@ -0,0 +1,54 @@
+#pragma once
+#include <queue>
+#include <thread>
+#include <mutex>
+#include <condition_variable>
+#include <string>
+
+class AsyncMessageQueue
+{
+private:
+    std::mutex queue_mutex;
+    std::queue<std::wstring> message_queue;
+    std::condition_variable message_ready;
+    bool interrupted = false;
+
+    //Disable copy
+    AsyncMessageQueue(const AsyncMessageQueue&);
+    AsyncMessageQueue& operator=(const AsyncMessageQueue&);
+
+public:
+    AsyncMessageQueue()
+    {
+    }
+    void queue_message(std::wstring message)
+    {
+        this->queue_mutex.lock();
+        this->message_queue.push(message);
+        this->queue_mutex.unlock();
+        this->message_ready.notify_one();
+    }
+    std::wstring pop_message()
+    {
+        std::unique_lock<std::mutex> lock(this->queue_mutex);
+        while (message_queue.empty() && !this->interrupted)
+        {
+            this->message_ready.wait(lock);
+        }
+        if (this->interrupted)
+        {
+            //Just returns a empty string if the queue was interrupted.
+            return std::wstring(L"");
+        }
+        std::wstring message = this->message_queue.front();
+        this->message_queue.pop();
+        return message;
+    }
+    void interrupt()
+    {
+        this->queue_mutex.lock();
+        this->interrupted = true;
+        this->queue_mutex.unlock();
+        this->message_ready.notify_all();
+    }
+};