Re-implemented server state machine. Cleaned up code

TODO: Handle trigger errors

MoonlightServers.Daemon/Enums/ServerState.cs

@@ -0,0 +1,10 @@
+namespace MoonlightServers.Daemon.Enums;
+
+public enum ServerState
+{
+    Offline = 0,
+    Starting = 1,
+    Online = 2,
+    Stopping = 3,
+    Installing = 4
+}

MoonlightServers.Daemon/Enums/ServerTrigger.cs

@@ -0,0 +1,13 @@
+namespace MoonlightServers.Daemon.Enums;
+
+public enum ServerTrigger
+{
+    Start = 0,
+    Stop = 1,
+    Restart = 2,
+    Kill = 3,
+    Reinstall = 4,
+    NotifyOnline = 5,
+    NotifyContainerDied = 6,
+    NotifyInstallContainerDied = 7
+}