Set up a GitHub Actions workflow to run on some example tests

.github/workflows/run-r-test.yml

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+name: Run R Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  run-r-script:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Setup R
+      uses: r-lib/actions/setup-r@v2
+      with:
+        r-version: '4.3.3'  # specify the version of R you need
+
+    - name: Install R packages
+      run: |
+        Rscript -e 'install.packages(c("here", "assertthat"))'  # Add any packages your script needs
+
+    - name: Run R script
+      run: |
+        Rscript scripts/ex_test.R

scripts/ex_fxns.R

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+hello_world <- function(){
+  return("hello world")
+}
+
+my_sum <- function(a, b){
+  return(sum(a,b))
+}
+

scripts/ex_test.R

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+
+# load the functions
+source(here::here("scripts", "ex_fxns.R"))
+
+library(assertthat)
+
+
+# Let's test to see if the right things are returne
+assert_that(is.string(hello_world()))
+assert_that(is.numeric(my_sum(1, 2)))
+
+# Checking to see if the expected value is returned
+assert_that(my_sum(1, 2) == 9)
+
+