use the correct build command when building spade in CI (#2809)

* use the correct build command when building spade in CI

* add step to install openocd

* update the build command in readme and the name of the firmware outputted

.github/workflows/build.yml

@@ -14,17 +14,20 @@ jobs:
   build-uf2:
       runs-on: 'ubuntu-latest' # Run on the latest stable Ubuntu version
       steps:
+      - name: 'Install OpenOCD'
+        run: |
+          sudo apt-get install openocd
       - name: 'Clone Spade repo'
         run: |
           cd ~/
           git clone https://github.com/hackclub/sprig.git sprig/
           
       - name: 'Build Script'
-        run: cd ~/sprig/firmware/spade && ../../scripts/gardenshed/build.sh
+        run: cd ~/sprig/firmware/spade && python3 gardenshed.py build
 
       - name: 'Upload artifact'
         uses: 'actions/upload-artifact@v3'
         with:
-          name: 'spade.uf2'
-          path: '~/sprig/firmware/spade/spade.uf2'
+          name: 'firmware.uf2'
+          path: '~/sprig/firmware/spade/firmware.uf2'
           if-no-files-found: error

firmware/spade/README.md

@@ -18,9 +18,9 @@ However, on-device debugging is hard, so the engine can also be compiled to run
 #### Building
  - Clone the repository
  - Change into the spade directory and change code as desired
- - Run `../../scripts/gardenshed/build.sh`
+ - Run `python3 gardenshed.py build`
 
-this will produce the ``./spade.uf2`` file which you can flash to your sprig. 
+this will produce the ``./firmware.uf2`` file which you can flash to your sprig. 
 
 ### Manual
 Prerequisites: