Update issue forms to use YAML templates (#71)

* feat(github): Update bug issue template to use YAML

* fix(github): Use code of conduct link, not example

* fix(github): Remove branch info from link

* fix(github): Add main branch info to URL

* feat(github): Add docs issue template YAML

* fix(github): Update contact description to clarify in bug rep

* feat(github): Feature request issue template YAML

* fix(github): Remove log input from feature request template

* feat(github): Add other issue misc template

* feat(github): Remove outdated markdown templates

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,51 @@
+name: Bug Report
+description: File a bug report.
+title: "[Bug]: "
+labels: ["bug"]
+projects: []
+assignees:
+  - teald
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for filling out a bug report!
+  - type: input
+    id: contact
+    attributes:
+      label: Contact Details
+      description: How can we get in touch with you if we need more info? If you get notification for GitHub Issues, you can ignore this part.
+      placeholder: ex. [email protected]
+    validations:
+      required: false
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Also tell us, what did you expect to happen?
+      placeholder: Tell us what you see!
+      value: "A bug happened!"
+    validations:
+      required: true
+  - type: textarea
+    id: version
+    attributes:
+      label: Version
+      description: What version of our software are you running?
+      value: "run `python -c \"import astrodata; print(astrodata.version)\"` to print the version to the terminal. `0.0.0` means you are running the development version!"
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/GeminiDRSoftware/astrodata/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/documentation.yaml

@@ -0,0 +1,36 @@
+name: Documentation issue
+description: File an issue related to our documentation.
+title: "[DOCS]: "
+labels: ["documentation"]
+projects: []
+assignees:
+  - teald
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for filing a documentation issue!
+  - type: input
+    id: contact
+    attributes:
+      label: Contact Details
+      description: How can we get in touch with you if we need more info? If you get notification for GitHub Issues, you can ignore this part.
+      placeholder: ex. [email protected]
+    validations:
+      required: false
+  - type: textarea
+    id: docs-description
+    attributes:
+      label: What is up with the docs?
+      placeholder: Fill out the issue you've found. If this is an error (e.g., typo), a link to the page would be appreciated.
+      value: "The docs are..."
+    validations:
+      required: true
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/GeminiDRSoftware/astrodata/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -0,0 +1,44 @@
+name: Feature Request
+description: Request a feature
+title: "[Feat]: "
+labels: ["enhancement"]
+projects: []
+assignees:
+  - teald
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for requesting a new feature! Your input is critical to helping us make `astrodata` even better!
+  - type: input
+    id: contact
+    attributes:
+      label: Contact Details
+      description: How can we get in touch with you if we need more info? If you get notification for GitHub Issues, you can ignore this part.
+      placeholder: ex. [email protected]
+    validations:
+      required: false
+  - type: textarea
+    id: feature-description
+    attributes:
+      label: Describe the feature in words
+      description: "Tell us about your feature request. Example questions to consider: What does it do? How might it be implemented?"
+      placeholder: I'd like astrodata to...
+    validations:
+      required: true
+  - type: textarea
+    id: code-description
+    attributes:
+      label: code-description
+      description: If possible, please provide an example code snippet with the feature being used. It doesn't have to run---show us code the way you'd like it to work!
+      render: shell
+    validations:
+      required: true
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/GeminiDRSoftware/astrodata/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/other_issue.yaml

@@ -0,0 +1,36 @@
+name: Other issue
+description: File an issue unrelated to the other templates
+title: "[MISC]: "
+labels: ["misc"]
+projects: []
+assignees:
+  - teald
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for filling out a bug report!
+  - type: input
+    id: contact
+    attributes:
+      label: Contact Details
+      description: How can we get in touch with you if we need more info? If you get notification for GitHub Issues, you can ignore this part.
+      placeholder: ex. [email protected]
+    validations:
+      required: false
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      placeholder: Tell us what you see.
+      value: "Something happened!"
+    validations:
+      required: true
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/GeminiDRSoftware/astrodata/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true