chore: initialize project with Go module and tooling

Taskfile.yml

@@ -0,0 +1,75 @@
+version: "3"
+
+vars:
+  APP_NAME: voicepaste
+  VERSION:
+    sh: git describe --tags --always --dirty 2>/dev/null || echo "dev"
+
+tasks:
+  default:
+    desc: Build for current platform
+    cmds:
+      - go build -ldflags "-s -w -X main.version={{.VERSION}}" -o {{.APP_NAME}} .
+
+  run:
+    desc: Build and run
+    cmds:
+      - go build -ldflags "-s -w" -o {{.APP_NAME}} .
+      - ./{{.APP_NAME}}
+
+  dev:
+    desc: Run with go run
+    cmds:
+      - go run .
+
+  build:darwin-arm64:
+    desc: Build for macOS ARM64
+    env:
+      GOOS: darwin
+      GOARCH: arm64
+      CGO_ENABLED: "1"
+    cmds:
+      - go build -ldflags "-s -w -X main.version={{.VERSION}}" -o dist/{{.APP_NAME}}-darwin-arm64 .
+
+  build:darwin-amd64:
+    desc: Build for macOS AMD64
+    env:
+      GOOS: darwin
+      GOARCH: amd64
+      CGO_ENABLED: "1"
+    cmds:
+      - go build -ldflags "-s -w -X main.version={{.VERSION}}" -o dist/{{.APP_NAME}}-darwin-amd64 .
+
+  build:linux-amd64:
+    desc: Build for Linux AMD64
+    env:
+      GOOS: linux
+      GOARCH: amd64
+      CGO_ENABLED: "1"
+    cmds:
+      - go build -ldflags "-s -w -X main.version={{.VERSION}}" -o dist/{{.APP_NAME}}-linux-amd64 .
+
+  build:windows-amd64:
+    desc: Build for Windows AMD64
+    env:
+      GOOS: windows
+      GOARCH: amd64
+      CGO_ENABLED: "1"
+    cmds:
+      - go build -ldflags "-s -w -X main.version={{.VERSION}}" -o dist/{{.APP_NAME}}-windows-amd64.exe .
+
+  build:all:
+    desc: Build for all platforms
+    cmds:
+      - mkdir -p dist
+      - task: build:linux-amd64
+
+  clean:
+    desc: Clean build artifacts
+    cmds:
+      - rm -rf dist/ {{.APP_NAME}}
+
+  tidy:
+    desc: Tidy Go modules
+    cmds:
+      - go mod tidy