Update files that trigger GitHub Actions

.github/workflows/build.yaml

@@ -2,12 +2,14 @@ on:
   workflow_dispatch:
   push:
     paths:
-      - 'ergogen/footprints/*.js'
-      - 'ergogen/config.yaml'
-      - 'kibot/*.yaml'
       - '.github/workflows/*.yaml'
       - '.github/actions/*/action.yaml'
+      - 'ergogen/footprints/*.js'
+      - 'ergogen/config.yaml'
+      - 'kibot/*'
+      - 'freerouting/*'
       - 'package.json'
+      - '*.nix'
 
 name: Build
 jobs: