migrate ci to github workflows

Author: niklasf

.github/workflows/test.yml

@@ -0,0 +1,26 @@
+name: Test
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        toolchain:
+          - "1.67"
+          - stable
+          - beta
+          - nightly
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.toolchain }}
+      - run: cargo test
+      - run: cargo bench
+      - run: cargo doc
+        env:
+          RUSTDOCFLAGS: "-D warnings"

.travis.yml

@@ -20,6 +20,3 @@ num-traits = "0.2"
 [dev-dependencies]
 bencher = "0.1"
 quickcheck = "1"
-
-[badges]
-travis-ci = { repository = "niklasf/rust-huffman-compress", branch = "master" }

Cargo.toml

@@ -4,7 +4,6 @@ huffman-compress
 [Huffman compression](https://en.wikipedia.org/wiki/Huffman_coding)
 given a probability distribution over arbitrary symbols.
 
-[![Build Status](https://travis-ci.org/niklasf/rust-huffman-compress.svg?branch=master)](https://travis-ci.org/niklasf/rust-huffman-compress)
 [![crates.io](https://img.shields.io/crates/v/huffman-compress.svg)](https://crates.io/crates/huffman-compress)
 [![docs.rs](https://docs.rs/huffman-compress/badge.svg)](https://docs.rs/huffman-compress)
 [![No Maintenance Intended](http://unmaintained.tech/badge.svg)](#Alternatives)