Moved paper into a directory

Author: jmafoster1

.github/workflows/joss.yaml

@@ -1,5 +1,10 @@
 name: JOSS article compilation
-on: [push]
+on:
+  push:
+    paths:
+      - paper/**
+      - images/schematic.png
+      - .github/workflows/draft-pdf.yml
 
 jobs:
   paper:
@@ -13,12 +18,12 @@ jobs:
         with:
           journal: joss
           # This should be the path to the paper within your repo.
-          paper-path: paper.md
+          paper-path: paper/paper.md
       - name: Upload
         uses: actions/upload-artifact@v4
         with:
           name: paper
           # This is the output path where Pandoc will write the compiled
           # PDF. Note, this should be the same directory as the input
           # paper.md
-          path: paper.pdf
+          path: paper/paper.pdf