Update and rename first.yml to challenge.yml

attempt at creating a pipeline that generates an artifact

.github/workflows/challenge.yml

@@ -0,0 +1,20 @@
+name: challenge
+
+on: [push]
+
+env:
+  FILE_NAME: README.md
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Check out code
+      uses: actions/checkout@v1
+
+    - name: Upload an arbitrary artifact
+      uses: actions/[email protected]
+      with:
+        name: ubuntu
+        path: ./${{ env.FILE_NAME }}