Switch to GitHub Actions (#57)

* Switch to GitHub Actions

* Update swift.yml

* :/

* Lets give this a whirl.

* update test name.

* Delete circle ci in favor of github.

* Update readme.

* Comment out address as it is broken for swift packages

.github/workflows/swift.yml

@@ -0,0 +1,46 @@
+name: test
+on:
+- pull_request
+jobs:
+  xenial-5-1:
+    container:
+      image: vapor/swift:5.1-xenial
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - run: swift test
+  xenial-5-0:
+    container:
+      image: vapor/swift:5.0-xenial
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - run: swift test
+  bionic-5-1:
+    container:
+      image: vapor/swift:5.1-bionic
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - run: swift test
+  bionic-5-0:
+    container:
+      image: vapor/swift:5.0-bionic
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - run: swift test
+  thread:
+    container:
+      image: vapor/swift:5.1-bionic
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - run: swift test --sanitize=thread
+  # address:
+  #   container:
+  #     image: vapor/swift:5.1-bionic
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #   - uses: actions/checkout@master
+  #   - run: swift test --sanitize=address

README.md

@@ -1,6 +1,6 @@
 [![sswg:sandbox|94x20](https://img.shields.io/badge/sswg-sandbox-lightgrey.svg)](https://github.com/swift-server/sswg/blob/master/process/incubation.md#sandbox-level)
 [![License](https://img.shields.io/badge/License-Apache%202.0-yellow.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
-[![Build](https://img.shields.io/circleci/project/github/kylebrowning/APNSwift/master.svg?logo=circleci)](https://circleci.com/gh/kylebrowning/APNSwift/tree/master)
+[![Build](https://github.com/kylebrowning/APNSwift/workflows/test/badge.svg)](https://github.com/kylebrowning/APNSwift/actions)
 [![Swift](https://img.shields.io/badge/Swift-5.1-brightgreen.svg?colorA=orange&colorB=4E4E4E)](https://swift.org)
 
 # APNSwift