chore: add CODEOWNERS file, issue templates, and pull request template

.github/CODEOWNERS

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+# CODEOWNERS: https://help.github.com/articles/about-codeowners/
+* @strangelove-ventures/horcrux-maintainers

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: File a bug report.
+title: "[Bug]: "
+labels: ["bug", "triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened and what did you expect to happen?
+      placeholder: Tell us what you see!
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Describe how to reproduce the bug
+      placeholder: Step by step method to recreate the issue.
+    validations:
+      required: true
+  - type: input
+    id: Version
+    attributes:
+      label: version
+      description: What version of the software are you using?
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant logs or stack trace
+      description: Please copy and paste any relevant output from the code. This will be automatically formatted 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](../../../CODE_OF_CONDUCT.md). 
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/docs_issue.yml

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+name: Docs Issue
+description: Report an error or omission in the documentation.
+title: "[Docs]: "
+labels: ["docs", "triage"]
+body:
+  - type: markdown
+    attributes:
+      value: Thanks for taking the time to let us know how we can improve the docs!
+  - type: input
+    id: docs_page_link
+    attributes:
+      label: What page needs improvement?
+      value: Link a URL
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Please describe the way the docs didn't meet your needs.
+  - type: textarea
+    id: remedy
+    attributes:
+      label: Remedy
+      description: Please describe what you think needs to be added or changed for the docs to meet your needs.
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](../../../CODE_OF_CONDUCT.md). 
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Request an enhancement or new feature
+title: "[Feature]: "
+body:
+  - type: textarea
+    id: inspiration
+    attributes:
+      label: Inspiration
+      description: What are you trying to accomplish but finding hard or not possible?
+      placeholder: What's your end goal?
+    validations:
+      required: true
+  - type: textarea
+    id: valueadd
+    attributes:
+      label: Use Cases and Audiences
+      description: What new possibilities does this feature enable, and what types of users will find it helpful?
+      placeholder: Who is the audience and what new applications would this feature enable?
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](../../../CODE_OF_CONDUCT.md). 
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/unclassified.yml

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+name: Unclassified Issue
+description: Open an issue
+title: "[Unclassified]: "
+labels: ["unclassified", "triage"]
+body:
+  - type: markdown
+    attributes:
+      value: Please open a Feature Request, Docs, or Bug Report issue, but if none of those are applicable you can use this generic form.
+  - type: textarea
+    id: description
+    attributes:
+      label: Issue Description
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](../../../CODE_OF_CONDUCT.md). 
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/PULL_REQUEST_TEMPLATE/pull_request_template.MD

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+### What kind of change does this PR introduce?** (Bug fix, feature, docs update, ...)
+
+---
+### What is the current behavior? (You can also link to an open issue here)
+
+---
+### What is the new behavior (if this is a feature change or bug fix)
+
+---
+### Does this PR introduce a breaking change?
+If so, please describe what changes users might need to make as a result of this PR.
+
+---
+### Associated Issues
+Give a link to the relevant open issue(s) this PR addresses in this repository and others. If it resolves an issue, use `closes: #ddd`.
+
+---
+### Required for all PRs:
+
+- [ ] I have read and agree to follow the [Code of Conduct](../../../CODE_OF_CONDUCT.md) for this project.
+- [ ] I have read and followed the guidelines in the [Contributor's Guide](../../../CONTRIBUTING.md).
+- [ ] I understand I should follow the guidelines in the [Security Guide](../../../SECURITY.md) for any security-related issues or PRs.
+- [ ] I have checked to ensure there aren't other open [Pull Requests](../../../pulls) for the same update/change.
+- [ ] If applicable, I have written the appropriate tests for my new code.
+- [ ] If applicable, I have updated the appropriate documentation for new, updated, deprecated, or removed functionality.
+- [ ] I have run the linter on my code prior to submitting the PR.
+- [ ] All tests are passing locally for me.
+- [ ] My PR has a valid [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/#summary) title
+---