add github actions standard checks

.github/.gitignore

@@ -0,0 +1 @@
+*.html

.github/workflows/R-CMD-check.yaml

@@ -0,0 +1,49 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+name: R-CMD-check
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macos-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,   r: 'release'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+        with:
+          upload-snapshots: true

README.Rmd

@@ -14,13 +14,16 @@ knitr::opts_chunk$set(
 
 # rebird: wrapper to the eBird API
 
+<!-- badges: start -->
 [![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/)
+[![R-CMD-check](https://github.com/ropensci/rebird/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/ropensci/rebird/actions/workflows/R-CMD-check.yaml)
 [![Build Status](https://api.travis-ci.org/ropensci/rebird.png)](https://travis-ci.org/ropensci/rebird)
 [![Build status](https://ci.appveyor.com/api/projects/status/s3dobn991c20t2kg?svg=true)](https://ci.appveyor.com/project/sckott/rebird)
 [![cran checks](https://cranchecks.info/badges/worst/rebird)](https://cranchecks.info/pkgs/rebird)
 [![Coverage Status](https://coveralls.io/repos/ropensci/rebird/badge.svg)](https://coveralls.io/github/ropensci/rebird)
 [![rstudio mirror downloads](https://cranlogs.r-pkg.org/badges/rebird)](https://github.com/r-hub/cranlogs.app)
 [![cran version](https://www.r-pkg.org/badges/version/rebird)](https://cran.r-project.org/package=rebird/)
+<!-- badges: end -->
 
 `rebird` is a package to interface with the eBird webservices.