feat: migrate to alef polyglot binding generator

.github/CODEOWNERS

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+# Default owner — everything
+* @Goldziher
+
+# Zensical config and documentation
+/zensical.toml @Goldziher @pratik-mahalle @v-tan
+/docs/ @Goldziher @pratik-mahalle @v-tan
+*.md @Goldziher @pratik-mahalle @v-tan
+
+# Rust crates
+/crates/ @Goldziher @kh3rld

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a bug or unexpected behavior
+title: "fix: "
+labels: ["bug"]
+projects: ["kreuzberg-dev/1"]
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: What happened? What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to reproduce
+      description: Minimal steps to reproduce the issue.
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction-files
+    attributes:
+      label: Relevant files and configuration
+      description: >-
+        Any configuration files, input files, or code snippets needed to
+        reproduce the issue.
+      render: text

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true

.github/ISSUE_TEMPLATE/documentation.yml

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+name: Documentation Issue
+description: Report missing, unclear, or incorrect documentation
+title: "docs: "
+labels: ["documentation"]
+projects: ["kreuzberg-dev/1"]
+body:
+  - type: textarea
+    id: what
+    attributes:
+      label: What
+      description: What documentation is missing, unclear, or incorrect?
+    validations:
+      required: true
+  - type: textarea
+    id: why
+    attributes:
+      label: Why
+      description: Why does this need to change?
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest a new feature or improvement
+title: "feat: "
+labels: ["enhancement"]
+projects: ["kreuzberg-dev/1"]
+body:
+  - type: textarea
+    id: what
+    attributes:
+      label: What is the proposed feature?
+    validations:
+      required: true
+  - type: textarea
+    id: why
+    attributes:
+      label: Why would this be a good addition?
+    validations:
+      required: true

.github/PULL_REQUEST_TEMPLATE.md

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+## Related
+
+<!-- Link issues or discussions if applicable -->
+
+## Description
+
+<!-- What does this PR do? -->
+
+## Checklist
+
+- [ ] CI passing
+- [ ] Tests added where applicable