[CI skip] Updated discord invite urls

.github/CODE_OF_CONDUCT.md

@@ -19,7 +19,7 @@ We generally expect users to engage in the Issues section by reporting bugs or c
 Pull Requests are very much welcome and encouraged! They keep the project alive, so if you see an Issue and know how to fix it, feel free to create a Pull Request!
 
 Issues that are considered "good first issues", indicated by the [good first issue](https://github.com/Slimefun/Slimefun4/labels/good%20first%20issue) label, are generally expected to be beginner-friendly. 
-And even if you shouldn't know where to start or how to proceed, our [Discord Server](https://github.com/Slimefun/Slimefun4#discord) and its community will be there for you!
+And even if you shouldn't know where to start or how to proceed, our [Discord Server](https://discord.gg/slimefun) and its community will be there for you!
 
 When commenting, please keep in mind that this software is offered for **free**. Don't expect to receive lightning-fast replies 24 hours a day. 
 Everyone here works on this project in their free time and usually has work, school, university or family to take care of, so we appreciate patience and understanding.
@@ -59,7 +59,7 @@ https://github.com/orgs/Slimefun/people
 
 ## :wrench: Enforcement
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported to the community leaders (labelled on Discord as "Admins" or "Moderators") responsible for enforcement on our [Discord Server](https://github.com/Slimefun/Slimefun4#discord).
+reported to the community leaders (labelled on Discord as "Admins" or "Moderators") responsible for enforcement on our [Discord Server](discord.gg/slimefun).
 If you want your issue to be handled discreetly, message `TheBusyBiscuit#2610` or `Walshy#9709` privately on Discord and state your concerns.
 
 All complaints will be reviewed and investigated promptly and fairly.

.github/ISSUE_TEMPLATE/config.yml

@@ -7,5 +7,5 @@ contact_links:
     url: https://github.com/Slimefun/Slimefun4/wiki/How-to-report-bugs
     about: Guidelines on how to make good Bug reports
   - name: Discord Server (for Questions and Suggestions)
-    url: https://discord.gg/fsD4Bkh
+    url: https://discord.gg/slimefun
     about: Please ask and answer questions here.

CONTRIBUTING.md

@@ -26,7 +26,7 @@ You can also comment on the existing Issue, proposing your idea or communicating
 ## :wrench: 3. Pull Requests: Additions/Changes
 Slimefun is an Open-Source project and anyone is allowed to make changes or add content to this plugin!
 
-Please visit our [Discord Server](https://github.com/Slimefun/Slimefun4#discord) and share your ideas first, we hate to reject changes because the community disagrees.<br>
+Please visit our [Discord Server](https://discord.gg/slimefun) and share your ideas first, we hate to reject changes because the community disagrees.<br>
 So communicating your intended changes before-hand will ensure that you don't put too much work into something that might get rejected.
 
 We also have a suggestions section in our Discord Server too. Suggestions can be placed in the `#suggestions` channel and community members can vote on a suggestion.
@@ -62,7 +62,7 @@ Slimefun uses [sonarcloud.io](https://sonarcloud.io/dashboard?id=Slimefun_Slimef
 
 We always welcome quality improvements to the code and the "Code Smells" section on [sonarcloud.io](https://sonarcloud.io/dashboard?id=Slimefun_Slimefun4) is a great place to start.
 But please keep in mind that some design patterns may not be changed too abruptly if an addon depends on them. 
-To prevent any accidents from happening, please contact us on our [Discord Server](https://github.com/Slimefun/Slimefun4#discord) before-hand and state your intended changes.
+To prevent any accidents from happening, please contact us on our [Discord Server](https://discord.gg/slimefun) before-hand and state your intended changes.
 
 #### Documentation
 Code documentation is also a great way to improve the maintainability of the project.
@@ -92,5 +92,5 @@ To compile Slimefun yourself, follow these steps:
 If you are already using an IDE, make sure to import the project via git and set it up as a *Maven project*. 
 Then you should be able build it via Maven using the goals `clean package`.
 
-If you have any further questions, then please join our [Discord Support Server](https://github.com/Slimefun/Slimefun4#discord) and ask your questions in the `#programming-help` channel.<br>
+If you have any further questions, then please join our [Discord Support Server](https://discord.gg/slimefun) and ask your questions in the `#programming-help` channel.<br>
 **Note that we will not accept any bug reports from custom-compiled versions of Slimefun**.

README.md

@@ -76,7 +76,7 @@ Due to the sheer size of this discord server, we need to enforce some [important
 Not following these rules can lead to a kick or even a ban from the server.
 
 <p align="center">
-  <a href="https://discord.gg/fsD4Bkh">
+  <a href="https://discord.gg/slimefun">
     <img src="https://discordapp.com/api/guilds/565557184348422174/widget.png?style=banner3" alt="Discord Invite"/>
   </a>
 </p>

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/setup/PostSetup.java

@@ -104,7 +104,7 @@ public final class PostSetup {
             sender.sendMessage(ChatColor.GREEN + " - Wiki:         https://github.com/Slimefun/Slimefun4/wiki");
             sender.sendMessage(ChatColor.GREEN + " - Addons:       https://github.com/Slimefun/Slimefun4/wiki/Addons");
             sender.sendMessage(ChatColor.GREEN + " - Bug Reports:  https://github.com/Slimefun/Slimefun4/issues");
-            sender.sendMessage(ChatColor.GREEN + " - Discord:      https://discord.gg/fsD4Bkh");
+            sender.sendMessage(ChatColor.GREEN + " - Discord:      https://discord.gg/slimefun");
         }
         else {
             sender.sendMessage(ChatColor.GREEN + " - UNOFFICIALLY MODIFIED BUILD - NO OFFICIAL SUPPORT GIVEN");