Adding upstream version 0.6.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/workflows/crates-io.yml

@@ -0,0 +1,25 @@
+name: Crates.io
+
+on:
+  release:
+    types: [ created ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  publish:
+    name: Publish to crates.io
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Publish binaries
+        uses: katyo/publish-crates@v1
+        with:
+          registry-token: ${{ secrets.CRATES_IO_TOKEN }}