Update template to latest RobustToolbox version.

- Converts template to use file-scoped namespaces.
- Add manifest.yml and comments for it.

Content.Shared/EntryPoint.cs

@@ -3,40 +3,39 @@ using Robust.Shared.ContentPack;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
 
-// DEVNOTE: Games that want to be on the hub are FORCED use the "Content." prefix for assemblies they want to load.
-namespace Content.Shared
+// DEVNOTE: Games that want to be on the hub can change their namespace prefix in the "manifest.yml" file.
+namespace Content.Shared;
+
+public class EntryPoint : GameShared
 {
-    public class EntryPoint : GameShared
-    {
-        // IoC services shared between the client and the server go here...
+    // IoC services shared between the client and the server go here...
         
-        // See line 23. Controls the default game culture and language.
-        // Robust calls this culture, but you might find it more fitting to call it the game
-        // language. Robust doesn't support changing this mid-game. Load your config file early
-        // if you want that.
-        private const string Culture = "en-US";
+    // See line 23. Controls the default game culture and language.
+    // Robust calls this culture, but you might find it more fitting to call it the game
+    // language. Robust doesn't support changing this mid-game. Load your config file early
+    // if you want that.
+    private const string Culture = "en-US";
 
-        public override void PreInit()
-        {
-            IoCManager.InjectDependencies(this);
+    public override void PreInit()
+    {
+        IoCManager.InjectDependencies(this);
 
-            // Default to en-US.
-            // DEVNOTE: If you want your game to be multiregional at runtime, you'll need to 
-            // do something more complicated here.
-            IoCManager.Resolve<ILocalizationManager>().LoadCulture(new CultureInfo(Culture));
-            // TODO: Document what else you might want to put here
-        }
+        // Default to en-US.
+        // DEVNOTE: If you want your game to be multiregional at runtime, you'll need to 
+        // do something more complicated here.
+        IoCManager.Resolve<ILocalizationManager>().LoadCulture(new CultureInfo(Culture));
+        // TODO: Document what else you might want to put here
+    }
 
-        public override void Init()
-        {
-            // TODO: Document what you put here
-        }
+    public override void Init()
+    {
+        // TODO: Document what you put here
+    }
 
-        public override void PostInit()
-        {
-            base.PostInit();
-            // DEVNOTE: You might want to put special init handlers for, say, tiles here.
-            // TODO: Document what else you might want to put here
-        }
+    public override void PostInit()
+    {
+        base.PostInit();
+        // DEVNOTE: You might want to put special init handlers for, say, tiles here.
+        // TODO: Document what else you might want to put here
     }
 }