Improve and modernize docs. (#2882)

* Add proper home landing page.

* Improve landing page considerably.

* Add navbar library name.

* Fix css rules.

* Update getting started images.

* Change favicon to the navbar's logo.

* Tiny change to docs index.

* Add title to home landing page.

* Tweak build overrides faq page.

* Fix FAQ article titles and headers.

* Fix FAQ article titles and headers.

* Replace channel 9 with the official .net course.

docs/index.md

@@ -1,21 +1,20 @@
 ---
-uid: Root.Landing
+uid: Home.Landing
 title: Home
+_layout: landing
 ---
 
-# Discord.NET Documentation
-
 ![logo](marketing/logo/SVG/Combinationmark%20White%20Border.svg)
 
-[![GitHub](https://img.shields.io/github/last-commit/discord-net/Discord.Net?style=plastic)](https://github.com/discord-net/Discord.Net)
-[![NuGet](https://img.shields.io/nuget/vpre/Discord.Net.svg?maxAge=2592000?style=plastic)](https://www.nuget.org/packages/Discord.Net)
+[![GitHub](https://img.shields.io/github/last-commit/discord-net/Discord.Net)](https://github.com/discord-net/Discord.Net)
+[![NuGet](https://img.shields.io/nuget/vpre/Discord.Net.svg?maxAge=2592000)](https://www.nuget.org/packages/Discord.Net)
 [![MyGet](https://img.shields.io/myget/discord-net/vpre/Discord.Net.svg)](https://www.myget.org/feed/Packages/discord-net)
 [![Build Status](https://dev.azure.com/discord-net/Discord.Net/_apis/build/status/discord-net.Discord.Net?branchName=dev)](https://dev.azure.com/discord-net/Discord.Net/_build/latest?definitionId=1&branchName=dev)
 [![Discord](https://discord.com/api/guilds/848176216011046962/widget.png)](https://discord.gg/dnet)
 
 ## What is Discord.NET?
 
-Discord.Net is an asynchronous, multi-platform .NET Library used to
+Discord.Net is an unofficial asynchronous, multi-platform .NET library used to
 interface with the [Discord API](https://discord.com/).
 
 ## Where to begin?
@@ -32,7 +31,13 @@ objects in the library.
 ## Nightlies
 
 Nightlies are builds of Discord.NET that are still in an experimental phase, and have not been released.  
-They are available through Discord.NET's [MyGet feed](https://www.myget.org/F/discord-net/api/v3/index.json).
+They are available through 3 different sources:
+- [MyGet](https://www.myget.org/F/discord-net/api/v3/index.json)
+- [BaGet](https://baget.discordnet.dev/)
+- [GitHub Packages](https://github.com/orgs/discord-net/packages?repo_name=Discord.Net)
+
+> [!NOTE]
+> GitHub Packages requires authentication. You can find more information [here](https://docs.github.com/en/packages/working-with-a-github-packages-registry/working-with-the-nuget-registry#authenticating-to-github-packages).
 
 ## Questions?
 
@@ -45,40 +50,8 @@ If you still have unanswered questions after reading the [FAQ](xref:FAQ.Basics.G
 ## Supporting Discord.Net
 
 Discord.Net is an MIT-licensed open source project with its development made possible entirely by volunteers. 
-If you'd like to support our efforts financially, please consider:
+If you'd like to support our efforts financially, please consider contributing on:
 
-- [Contributing on Open Collective](https://opencollective.com/discordnet).
-
-## New in V3
-
-#### Interaction Framework
-
-A counterpart to the well-known command service of Discord.Net, the Interaction Framework implements the same
-feature-rich structure to register & handle interactions like application commands & buttons.
-
-- Read about the Interaction Framework
-  [here](xref:Guides.IntFw.Intro)
-
-#### Slash Commands
-
-Slash commands are purposed to take over the normal prefixed commands in Discord and comes with good functionality to serve as a replacement.
-Being interactions, they are handled as SocketInteractions. Creating and receiving slash commands is covered below.
-
-- Find out more about slash commands in the
-  [Slash Command Guides](xref:Guides.SlashCommands.Intro)
-
-#### Context Message & User Commands
-
-These commands can be pointed at messages and users, in custom application tabs.
-Being interactions as well, they are able to be handled just like slash commands. They do not have options however.
-
-- Learn how to create and handle these commands in the
-  [Context Command Guides](xref:Guides.ContextCommands.Creating)
-
-#### Message Components
-
-Components of a message such as buttons and dropdowns, which can be interacted with and responded to.
-Message components can be set in rows and multiple can exist on a single message!
-
-- Explanation on how to add & respond to message components can be found in the
-  [Message Component Guides](xref:Guides.MessageComponents.Intro)
+- [Open Collective](https://opencollective.com/discordnet)
+- [GitHub Sponsors](https://github.com/sponsors/quinchs)
+- [PayPal](https://paypal.me/quinchs)