MassInstallAction: Install the GitHubActionsCI workflow on this repository

.github/workflows/CI.yml

@@ -0,0 +1,32 @@
+name: CI
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: 1
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info

README.md

@@ -1,8 +1,7 @@
 Various basic Ordinary Differential Equation solvers implemented in Julia.
 
 [![Join the chat at https://gitter.im/JuliaDiffEq/Lobby](https://badges.gitter.im/JuliaDiffEq/Lobby.svg)](https://gitter.im/JuliaDiffEq/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![Travis](https://travis-ci.org/SciML/ODE.jl.svg?branch=master)](https://travis-ci.org/SciML/ODE.jl)
-[![AppVeyor](https://ci.appveyor.com/api/projects/status/mue0n1yhlxq4ok8d/branch/master?svg=true)](https://ci.appveyor.com/project/ChrisRackauckas/ode-jl/branch/master)
+[![Build Status](https://github.com/SciML/ODE.jl/workflows/CI/badge.svg)](https://github.com/SciML/ODE.jl/actions?query=workflow%3ACI)
 [![Coverage Status](https://img.shields.io/coveralls/JuliaDiffEq/ODE.jl.svg)](https://coveralls.io/r/JuliaDiffEq/ODE.jl)
 
 Pull requests are always highly welcome to fix bugs, add solvers, or anything else!