Add initial Go server skeleton with HTTP handlers, middleware, job runner, and stubs

Makefile

@@ -0,0 +1,18 @@
+APP=appliance
+SRC=./cmd/appliance
+
+run:
+	go run $(SRC)
+
+build:
+	go build -o bin/$(APP) $(SRC)
+
+test:
+	go test ./... -v
+
+lint:
+	@which golangci-lint > /dev/null || (echo "golangci-lint not found; visit https://golangci-lint.run/"; exit 0)
+	golangci-lint run
+
+clean:
+	rm -rf bin