release: add crates.io publishing workflow

Author: sidmohan0

.github/workflows/publish-rust.yml

@@ -0,0 +1,22 @@
+name: Publish Rust crate
+
+on:
+  push:
+    tags:
+      - "rust-v*"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  publish:
+    name: Publish datafog-core to crates.io
+    runs-on: ubuntu-latest
+    environment: crates-io
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo publish --package datafog-core --locked
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

crates/core/Cargo.toml

@@ -2,9 +2,12 @@
 name = "datafog-core"
 version = "0.1.0"
 edition = "2024"
+rust-version = "1.85"
 description = "Fast structured PII detection library"
 license = "MIT"
+homepage = "https://datafog.ai"
 repository = "https://github.com/DataFog/datafog-core"
+readme = "../../README.md"
 keywords = ["pii", "privacy", "detection"]
 categories = ["text-processing"]