Improve Docs (#151)

* Added configurable command prefix

* Added getting started, renamed files

* Add nav order, add assests, add system example

* Added a lot

* Update Emojis

* Add guide links to bot

* Added Images

PluralKit.Bot/Commands/Member.cs

@@ -41,7 +41,7 @@ namespace PluralKit.Bot.Commands
             memberCount++;
             
             // Send confirmation and space hint
-            await ctx.Reply($"{Emojis.Success} Member \"{memberName.SanitizeMentions()}\" (`{member.Hid}`) registered! See the user guide for commands for editing this member: https://pluralkit.me/guide#member-management");
+            await ctx.Reply($"{Emojis.Success} Member \"{memberName.SanitizeMentions()}\" (`{member.Hid}`) registered! Check out the getting started page for how to get a member up and running: https://pluralkit.me/start#members");
             if (memberName.Contains(" "))
                 await ctx.Reply($"{Emojis.Note} Note that this member's name contains spaces. You will need to surround it with \"double quotes\" when using commands referring to it, or just use the member's 5-character ID (which is `{member.Hid}`).");
             if (memberCount >= Limits.MaxMemberCount)