Fix sample link & add missing pictures

docs/guides/getting_started/first-bot.md

@@ -27,8 +27,8 @@ Discord Applications Portal first.
     ![Step 5](images/intro-create-bot.png)
 
 6. Confirm the popup.
-7. If this bot will be public, check "Public Bot." **Do not tick any
-    other options!**
+7. (Optional) If this bot will be public, check "Public Bot."
+    * **Do not tick any other options!**
 
 [Discord Applications Portal]: https://discordapp.com/developers/applications/me
 

docs/guides/introduction/intro.md

@@ -17,7 +17,7 @@ understand these topics to some extent before proceeding.
 
 Here are some examples:
 
-1. [Official quick start guide]
+1. [Official samples]
 2. [Official template]
 
 > [!NOTE]
@@ -26,7 +26,7 @@ Here are some examples:
 > It is not meant to be something that will work out of the box.
 
 [Official template]: https://github.com/foxbot/DiscordBotBase/tree/csharp/src/DiscordBot
-[Official quick start guide]: https://github.com/RogueException/Discord.Net/blob/dev/docs/guides/getting_started/samples/first-bot/structure.cs
+[Official samples]: https://github.com/RogueException/Discord.Net/tree/dev/samples
 [Task-based Asynchronous Pattern]: https://docs.microsoft.com/en-us/dotnet/standard/asynchronous-programming-patterns/task-based-asynchronous-pattern-tap
 [polymorphism]: https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/polymorphism
 [interface]: https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/interfaces/