#3343: Create GitHub issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug inside BungeeCord
+description: Create a bug report about a problem inside BungeeCord.
+body:
+  - type: markdown
+    attributes:
+      value: |
+        #### Report a bug inside bungeecord
+        Issues happening with forks of BungeeCord should **not** be reported here.
+  - type: input
+    id: bungee-version
+    attributes:
+      label: Bungeecord version
+      description: The output of the /bungee command (or just the bungee build number) (execute in bungeecord console for easy text copy)
+      placeholder: e.g. git:BungeeCord-Bootstrap:1.xx-SNAPSHOT:xxxxxxx:xxxx
+    validations:
+      required: true
+  - type: input
+    id: server-version
+    attributes:
+      label: Server version
+      description: The output of the /version command (execute in server console for easy text copy)
+      placeholder: "e.g. git-Spigot-xxxxxxx-xxxxxxx (MC: 1.x.x)"
+  - type: input
+    id: client-version
+    attributes:
+      label: Client version
+      description: Minecraft Client Version
+      placeholder: e.g. 1.18.2
+  - type: textarea
+    id: bungee-plugins
+    attributes:
+      label: Bungeecord plugins
+      description: Please list all BungeeCord plugins you are using.
+    validations:
+      required: true
+  - type: textarea
+    id: the-bug
+    attributes:
+      label: The bug
+      description: Please describe the bug. Include **details** you find neccessary. If you just have a question, please ask it in [SpigotMC Forums](https://www.spigotmc.org) and not here.
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Log output (links)
+      description: Please put your log output inbetween three backticks (```` ``` ````). Upload your log files to [gist.github.com](https://gist.github.com) and put them in here.
+      placeholder: |
+        ```
+        log output
+        ```
+  - type: checkboxes
+    id: checkboxes
+    attributes:
+      label: Checking
+      options:
+        - label: I am using BungeeCord and **not a fork**. Issues with forks should not be reported here.
+          required: true
+        - label: I think this is **not** an issue with a bungeecord plugin.
+          required: true
+        - label: I have not read these checkboxes and therefore I just ticked them all.
+        - label: This is not a question or plugin creation help request.
+          required: true

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Configuration help
+    url: https://www.spigotmc.org/forums/bungeecord-help.70/create-thread
+    about: Help for configuring bungeecord will only be answered in spigotmc.org forums.
+  - name: I have a problem with a bungee plugin
+    url: https://www.spigotmc.org/forums/bungeecord-plugin-help.71/create-thread
+    about: Help about plugins can be recieved in spigotmc.org forums.
+  - name: Questions and discussions
+    url: https://www.spigotmc.org/forums/bungeecord-discussion.21/create-thread
+    about: spigotmc.org forums are the best place to ask your questions regarding bungeecord.
+  - name: Plugin creation help
+    url: https://www.spigotmc.org/forums/bungeecord-plugin-development.23/create-thread
+    about: Plugin creation help for bungee plugins can be recieved in spigotmc.org forums.

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature request
+description: Suggest a feature which bungeecord should include.
+body:
+  - type: textarea
+    id: the-feature
+    attributes:
+      label: Feature description
+      description: Please describe your feature or improvement. Please include **details**.
+    validations:
+      required: true
+  - type: textarea
+    id: goal
+    attributes:
+      label: Goal of the feature
+      description: What is the goal of your feature?
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Unfitting alternatives
+      description: What alternatives have you considered and why are they not sufficient for your use case?
+    validations:
+      required: true
+  - type: checkboxes
+    id: checkboxes
+    attributes:
+      label: Checking
+      options:
+        - label: This is not a question or plugin creation help request.
+          required: true
+        - label: This is a **feature or improvement request**.
+          required: true
+        - label: I have not read these checkboxes and therefore I just ticked them all.
+        - label: I did not use this form to report a bug.
+          required: true