Add crates.io publish workflow and package metadata

Author: uherman

.github/workflows/publish.yml

@@ -0,0 +1,52 @@
+name: Publish to crates.io
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'Cargo.toml'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Detect version bump
+        id: version
+        run: |
+          current=$(grep -m1 '^version = ' Cargo.toml | sed -E 's/version = "(.*)"/\1/')
+          previous=$(git show HEAD~1:Cargo.toml 2>/dev/null | grep -m1 '^version = ' | sed -E 's/version = "(.*)"/\1/' || echo "")
+          echo "current=$current"
+          echo "previous=$previous"
+          echo "current=$current" >> "$GITHUB_OUTPUT"
+          if [ -n "$current" ] && [ "$current" != "$previous" ]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "changed=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Install Rust toolchain
+        if: steps.version.outputs.changed == 'true'
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache cargo registry
+        if: steps.version.outputs.changed == 'true'
+        uses: Swatinem/rust-cache@v2
+
+      - name: Publish to crates.io
+        if: steps.version.outputs.changed == 'true'
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish --locked
+
+      - name: Tag release
+        if: steps.version.outputs.changed == 'true'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          tag="v${{ steps.version.outputs.current }}"
+          git tag "$tag"
+          git push origin "$tag"

Cargo.toml

@@ -2,6 +2,14 @@
 name = "glry"
 version = "0.1.0"
 edition = "2024"
+description = "A terminal image gallery with thumbnails rendered as real pixels via Kitty, iTerm2, or Sixel."
+license = "MIT"
+repository = "https://github.com/uherman/glry"
+homepage = "https://github.com/uherman/glry"
+readme = "README.md"
+keywords = ["tui", "terminal", "image", "gallery", "viewer"]
+categories = ["command-line-utilities", "multimedia::images"]
+exclude = [".assets/*", ".github/*"]
 
 [dependencies]
 ratatui = "0.30"