Adding some woodpecker CI build tests

.woodpecker.yml

@@ -0,0 +1,21 @@
+when:
+  event:
+    - push
+    - pull_request
+
+steps:
+  - name: test-build
+    image: tinygo/tinygo:latest
+    commands:
+      # Verify TinyGo compiler version
+      - tinygo version
+
+      # Ensure modules are resolved and tidy
+      - go mod download
+      - go mod verify
+
+      # Copy template config for the build check if config.go doesn't exist
+      - if [ ! -f config.go ]; then cp config.go.example config.go; fi
+
+      # Compile to an ELF/binary to ensure no syntax, link, or driver errors
+      - tinygo build -target=pico2-w -o /dev/null .