Fixed some crashes in response strings source generator, reorganized more submodules into their folders

src/NadekoBot/Modules/Searches/_Common/StreamNotifications/Models/StreamDataKey.cs

@@ -0,0 +1,18 @@
+#nullable disable
+using NadekoBot.Db.Models;
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Modules.Searches.Common;
+
+public readonly struct StreamDataKey
+{
+    public FollowedStream.FType Type { get; }
+    public string Name { get; }
+
+    [JsonConstructor]
+    public StreamDataKey(FollowedStream.FType type, string name)
+    {
+        Type = type;
+        Name = name;
+    }
+}