added GitHub Issue Forms as proposed in #844 (#848)

Co-authored-by: Will Dudley <14932240+WillDudley@users.noreply.github.com>

.github/ISSUE_TEMPLATE/bug.yml

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+name: Bug Report
+description: Submit a bug report
+title: "[Bug Report] Bug title"
+labels: ["bug"]
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+
+  - type: textarea
+    id: code-example
+    attributes:
+      label: Code example
+      description: |
+        Bug reports without minimal code examples take 5-10x longer to solve.
+        We'll give you a cookie if you add the stack trace too!
+        Save time, add code.
+        This will be automatically formatted into code, so no need for backticks.
+      render: shell
+
+  - type: textarea
+    id: system-info
+    attributes:
+      label: System info
+      description: |
+        Describe the characteristic of your environment:
+        * Describe how PettingZoo was installed (pip, source, ...)
+        * Version of `pettingzoo` (by `pettingzoo.__version__`)
+        * What OS/version you're using. Note that while we will accept PRs to improve Window's support, we do not officially support it.
+        * Python version
+
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here.
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Checklist
+      options:
+        - label: >
+            I have checked that there is no similar [issue](/~https://github.com/Farama-Foundation/PettingZoo/issues) in
+            the repo
+          required: true

.github/ISSUE_TEMPLATE/proposal.yml

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+name: Proposal
+description: Propose changes that are not fixing bugs
+title: "[Proposal] Proposal title"
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposal
+      description: A clear and concise description of the proposal.
+    validations:
+      required: true
+
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation
+      description: |
+        Please outline the motivation for the proposal.
+        Is your feature request related to a problem? e.g.,"I'm always frustrated when [...]".
+        If this is related to another GitHub issue, please link here too.
+
+  - type: textarea
+    id: pitch
+    attributes:
+      label: Pitch
+      description: A clear and concise description of what you want to happen.
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives
+      description: A clear and concise description of any alternative solutions or features you've considered, if any.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Checklist
+      options:
+        - label: >
+            I have checked that there is no similar [issue](/~https://github.com/Farama-Foundation/PettingZoo/issues) in
+            the repo
+          required: true

.github/ISSUE_TEMPLATE/question.yml

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+name: Question
+description: Ask a question
+title: "[Question] Question title"
+labels: ["question"]
+body:
+  - type: markdown
+    attributes:
+      value: >
+        If you have basic questions about reinforcement learning algorithms, please ask on 
+        [r/reinforcementlearning](https://www.reddit.com/r/reinforcementlearning/) or in the 
+        [RL Discord](https://discord.com/invite/xhfNqQv) (if you're new please use the beginners channel). 
+        Basic questions that are not bugs or feature requests will be closed without reply, because GitHub 
+        issues are not an appropriate venue for these. Advanced/nontrivial questions, especially in areas where 
+        documentation is lacking, are very much welcome.
+        
+  - type: textarea
+    id: question
+    attributes:
+      label: Question
+      description: Your question
+    validations:
+      required: true