add workflow build

.github/workflows/build.yaml

@@ -0,0 +1,47 @@
+name: build
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  R-CMD:
+    runs-on: ${{ matrix.config.os }}
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+        - { os: ubuntu-latest, r: 'devel', cran: "https://demo.rstudiopm.com/all/__linux__/xenial/latest"}
+
+    env:
+      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
+      GITHUB_PAT: ${{ secrets.GH_MEDUSA_TOKEN}}
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: r-lib/actions/setup-r@v2-branch
+        with:
+          r-version: '3.6'
+      - uses: r-lib/actions/setup-pandoc@v2-branch
+      - uses: r-lib/actions/setup-tinytex@v2-branch
+
+      - name: Install libraries
+        if: startsWith(matrix.config.os, 'ubuntu')
+        run: |
+          sudo apt-add-repository ppa:ubuntugis/ubuntugis-unstable
+          sudo apt-get update
+          sudo apt-get install -y libcurl4-openssl-dev libssl-dev libxml2-dev libudunits2-dev libgdal-dev libgeos-dev libproj-dev libmagick++-dev libavfilter-dev libharfbuzz-dev libfribidi-dev
+
+      - name: Install dependencies
+        run: |
+          install.packages(c("remotes","rcmdcheck"), repos = "https://cloud.r-project.org")
+          remotes::install_deps(dependencies = TRUE)
+          remotes::install_github("JGCRI/rpackageutils")
+        shell: Rscript {0}
+
+      - name: Check
+        run: rcmdcheck::rcmdcheck(args = c("--no-manual", "--ignore-vignettes", "--no-build-vignettes"), build_args = c("--no-manual", "--ignore-vignettes", "--no-build-vignettes"), error_on = "error")
+        shell: Rscript {0}