chore: add release drafter configuration and workflow for automated changelog generation

Author: FridayCandour

.github/release-drafter.yml

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+# Release Drafter config (libsql pattern): drafts the next release notes
+# as PRs merge into main, resolves the next version from PR labels
+# (major/minor/patch), and autolabels PRs from their title prefix.
+# Releases are still published manually — this only maintains the draft;
+# the existing release.yml workflow handles build + publish on
+# `release: published`.
+name-template: 'v$RESOLVED_VERSION'
+tag-template: 'v$RESOLVED_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+  - title: '🧰 Maintenance'
+    label: 'chore'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+  default: patch
+template: |
+  ## Changes
+
+  $CHANGES
+autolabeler:
+  - label: 'feature'
+    title:
+      - '/^feat/i'
+      - '/^feat:/i'
+  - label: 'fix'
+    title:
+      - '/^fix/i'
+      - '/^fix:/i'
+      - '/^bug/i'
+  - label: 'chore'
+    title:
+      - '/^chore/i'
+      - '/^chore:/i'
+      - '/^refactor/i'
+      - '/^docs/i'
+      - '/^test/i'

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+# Maintains the next release draft (notes + version resolution) as PRs
+# merge into main. Publishing stays manual and is owned by release.yml.
+
+on:
+  push:
+    # branches to consider in the event; optional, defaults to all
+    branches:
+      - main
+  # pull_request event is required only for autolabeler
+  pull_request:
+    # Only following types are handled by the action, but one can default
+    # to all as well
+    types: [opened, reopened, synchronize]
+
+permissions:
+  contents: read
+
+jobs:
+  update_release_draft:
+    permissions:
+      # write permission is required to create a github release
+      contents: write
+      # write permission is required for autolabeler
+      # otherwise, read permission is required at least
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}