feat: add taskfile

Taskfile.yml

@@ -0,0 +1,39 @@
+version: "3"
+
+tasks:
+  build:
+    desc: Build the application
+    cmds:
+      - go build -o bin/banner ./cmd/banner
+    sources:
+      - ./cmd/banner/**/*.go
+      - ./internal/**/*.go
+    generates:
+      - bin/banner
+
+  run:
+    desc: Run the application
+    cmds:
+      - go run ./cmd/banner
+    deps: [build]
+
+  test:
+    desc: Run tests
+    cmds:
+      - go test ./...
+    env:
+      ENVIRONMENT: test
+
+  clean:
+    desc: Clean build artifacts
+    cmds:
+      - rm -rf bin/
+      - go clean -cache
+      - go clean -modcache
+
+  dev:
+    desc: Run in development mode
+    cmds:
+      - go run ./cmd/banner
+    env:
+      ENVIRONMENT: development