Changed command dictionary to a command tree. Fixed various requests. OBS reconnection added if identified previously.

Chat/Commands/Parameters/StaticParameter.cs

@@ -0,0 +1,19 @@
+namespace TwitchChatTTS.Chat.Commands.Parameters
+{
+    public class StaticParameter : CommandParameter
+    {
+        private readonly string _value;
+
+        public string Value { get => _value; }
+
+        public StaticParameter(string name, string value, bool optional = false) : base(name, optional)
+        {
+            _value = value.ToLower();
+        }
+
+        public override bool Validate(string value)
+        {
+            return _value == value.ToLower();
+        }
+    }
+}