feat: upgrade to .NET 6, refactor everything

PluralKit.Core/Models/PKSwitch.cs

@@ -1,39 +1,35 @@
-using System;
-
 using NodaTime;
 
-namespace PluralKit.Core
+namespace PluralKit.Core;
+
+public readonly struct SwitchId: INumericId<SwitchId, int>
 {
+    public int Value { get; }
 
-    public readonly struct SwitchId: INumericId<SwitchId, int>
+    public SwitchId(int value)
     {
-        public int Value { get; }
-
-        public SwitchId(int value)
-        {
-            Value = value;
-        }
-
-        public bool Equals(SwitchId other) => Value == other.Value;
-
-        public override bool Equals(object obj) => obj is SwitchId other && Equals(other);
-
-        public override int GetHashCode() => Value;
-
-        public static bool operator ==(SwitchId left, SwitchId right) => left.Equals(right);
-
-        public static bool operator !=(SwitchId left, SwitchId right) => !left.Equals(right);
-
-        public int CompareTo(SwitchId other) => Value.CompareTo(other.Value);
-
-        public override string ToString() => $"Switch #{Value}";
+        Value = value;
     }
 
-    public class PKSwitch
-    {
-        public SwitchId Id { get; }
-        public Guid Uuid { get; private set; }
-        public SystemId System { get; set; }
-        public Instant Timestamp { get; }
-    }
+    public bool Equals(SwitchId other) => Value == other.Value;
+
+    public override bool Equals(object obj) => obj is SwitchId other && Equals(other);
+
+    public override int GetHashCode() => Value;
+
+    public static bool operator ==(SwitchId left, SwitchId right) => left.Equals(right);
+
+    public static bool operator !=(SwitchId left, SwitchId right) => !left.Equals(right);
+
+    public int CompareTo(SwitchId other) => Value.CompareTo(other.Value);
+
+    public override string ToString() => $"Switch #{Value}";
+}
+
+public class PKSwitch
+{
+    public SwitchId Id { get; }
+    public Guid Uuid { get; private set; }
+    public SystemId System { get; set; }
+    public Instant Timestamp { get; }
 }