Move solution and projects to src

src/Ryujinx.Horizon/LogManager/LmMain.cs

@@ -0,0 +1,17 @@
+namespace Ryujinx.Horizon.LogManager
+{
+    class LmMain : IService
+    {
+        public static void Main(ServiceTable serviceTable)
+        {
+            LmIpcServer ipcServer = new();
+
+            ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
+            ipcServer.ServiceRequests();
+            ipcServer.Shutdown();
+        }
+    }
+}