[CHANGE] Split up json parsing, added getting account info

Manager.YouTube/Models/Innertube/ChannelFetch.cs

@@ -4,7 +4,10 @@ public class ChannelFetch
 {
     public bool NoIndex { get; set; }
     public bool Unlisted { get; set; }
-    public bool FamilyFriendly { get; set; }
+    public bool FamilySafe { get; set; }
+    public string? Handle { get; set; }
+    public string? Description { get; set; }
     public List<string> AvailableCountries { get; set; } = [];
-    
+    public List<WebImage> AvatarImages { get; set; } = [];
+    public List<WebImage> BannerImages { get; set; } = [];
 }

Manager.YouTube/Models/Innertube/ClientState.cs

@@ -15,6 +15,9 @@ public class ClientState : AdditionalJsonData
     
     [JsonPropertyName("SIGNIN_URL")]
     public string? SigninUrl { get; set; }
+    
+    [JsonPropertyName("INNERTUBE_CLIENT_NAME")]
+    public string? InnerTubeClient { get; set; }
 
     [JsonPropertyName("INNERTUBE_CLIENT_VERSION")]
     public string? InnerTubeClientVersion { get; set; }

Manager.YouTube/Models/Innertube/WebImage.cs

@@ -0,0 +1,8 @@
+namespace Manager.YouTube.Models.Innertube;
+
+public class WebImage
+{
+    public int Width { get; set; }
+    public int Height { get; set; }
+    public string Url { get; set; } = "";
+}