Fixed some aliases and reworked namespaces

src/NadekoBot/Db/Helpers/ActivityType.cs

@@ -1,6 +1,22 @@
-namespace Nadeko.Bot.Db;
+namespace NadekoBot.Db;
 
-public enum ActivityType
+public enum DbActivityType
 {
-    
+    /// <summary>The user is playing a game.</summary>
+    Playing,
+
+    /// <summary>The user is streaming online.</summary>
+    Streaming,
+
+    /// <summary>The user is listening to a song.</summary>
+    Listening,
+
+    /// <summary>The user is watching some form of media.</summary>
+    Watching,
+
+    /// <summary>The user has set a custom status.</summary>
+    CustomStatus,
+
+    /// <summary>The user is competing in a game.</summary>
+    Competing,
 }

src/NadekoBot/Db/Helpers/GuildPerm.cs

@@ -1,4 +1,4 @@
-namespace Nadeko.Bot.Db;
+namespace NadekoBot.Db;
 
 [Flags]
 public enum GuildPerm : ulong