Update urls to match website changes (MonoGame#8119)

Co-authored-by: Jake Kirkbride <[email protected]>

Author: JakeLegendXIII

README.md

@@ -1,6 +1,6 @@
 # MonoGame
 
-MonoGame is a simple and powerful .NET framework for creating games for desktop PCs, video game consoles, and mobile devices using the C# programming language. It has been successfully used to create games such as [Streets of Rage 4](https://store.steampowered.com/app/985890/Streets_of_Rage_4/), [Carrion](https://store.steampowered.com/app/953490/CARRION/), [Celeste](https://store.steampowered.com/app/504230/Celeste/), [Stardew Valley](https://store.steampowered.com/app/413150/Stardew_Valley/), and [many others](https://monogame.net/showcase.html).
+MonoGame is a simple and powerful .NET framework for creating games for desktop PCs, video game consoles, and mobile devices using the C# programming language. It has been successfully used to create games such as [Streets of Rage 4](https://store.steampowered.com/app/985890/Streets_of_Rage_4/), [Carrion](https://store.steampowered.com/app/953490/CARRION/), [Celeste](https://store.steampowered.com/app/504230/Celeste/), [Stardew Valley](https://store.steampowered.com/app/413150/Stardew_Valley/), and [many others](https://monogame.net/showcase/).
 
 It is an open-source re-implementation of the discontinued [Microsoft's XNA Framework](https://msdn.microsoft.com/en-us/library/bb200104.aspx).
 
@@ -54,7 +54,7 @@ If you'd like to help the project by supporting us financially, consider support
 
 Money goes towards hosting, new hardware and if enough people subscribe a dedicated developer.
 
-There are several options on our [Donation Page](https://www.patreon.com/MonoGame/).
+There are several options on our [Donation Page](https://monogame.net/donate/).
 
 ## Source Code
 
@@ -85,7 +85,7 @@ A high level breakdown of the components of the framework:
 * Use our [community forums](http://community.monogame.net/) for support questions.
 * You can [join the Discord server](https://discord.gg/monogame) and chat live with the core developers and other users.
 * The [official documentation](https://monogame.net/articles/index.html) is on our website.
-* Download release [packages](https://github.com/MonoGame/MonoGame/releases).
+* Download [release](https://github.com/MonoGame/MonoGame/releases) and [development](https://github.com/orgs/MonoGame/packages) packages.
 * Follow [@MonoGameTeam](https://twitter.com/monogameteam) on Twitter.
 
 ## License

Tools/MonoGame.Content.Builder.Editor/MainWindow.cs

@@ -569,7 +569,7 @@ private void CmdDebugMode_Executed(object sender, EventArgs e)
 
         private void CmdHelp_Executed(object sender, EventArgs e)
         {
-            Process.Start(new ProcessStartInfo() { FileName = "https://monogame.net/articles/tools/mgcb_editor.html", UseShellExecute = true, Verb = "open" });
+            Process.Start(new ProcessStartInfo() { FileName = "https://monogame.net/articles/tools/mgcb_editor/", UseShellExecute = true, Verb = "open" });
         }
 
         private void CmdAbout_Executed(object sender, EventArgs e)