switch travis ci to github ci

.github/workflows/ci.yaml

@@ -0,0 +1,43 @@
+name: CI
+
+on: [push, pull_request]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: rustup update stable && rustup default stable
+      - run: cargo fmt --check
+      - run: cargo clippy --lib --tests -- -D warnings
+      - run: cargo doc --verbose
+        env:
+          RUSTDOCFLAGS: -Dwarnings
+  build_and_test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: rustup update stable && rustup default stable
+      - run: cargo build --verbose
+      - run: cargo test --verbose
+  bench:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: rustup update nightly && rustup default nightly && rustup component add clippy
+      - run: cargo clippy --benches -- -D warnings
+      - run: cargo bench --verbose
+  coverage:
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+    steps:
+      - uses: actions/checkout@v4
+      - run: cargo tarpaulin --lib --tests --doc --verbose --out xml
+      - uses: codecov/codecov-action@v3
+        with:
+          fail_ci_if_error: true

README.md

@@ -1,6 +1,6 @@
 # polytype
 
-[![Build Status](https://travis-ci.org/lorepozo/polytype-rs.svg?branch=master)](https://travis-ci.org/lorepozo/polytype-rs)
+[![CI](https://github.com/lorepozo/polytype-rs/actions/workflows/ci.yaml/badge.svg)](https://github.com/lorepozo/polytype-rs/actions/workflows/ci.yaml)
 [![crates.io](https://img.shields.io/crates/v/polytype.svg)](https://crates.io/crates/polytype)
 [![docs.rs](https://docs.rs/polytype/badge.svg)](https://docs.rs/polytype)