feat: add LSP server, VSCode + DataGrip extensions, release infra, autofix

- pkg/lsp: JSON-RPC 2.0 LSP server (formatting, diagnostics, codeAction quick-fixes)
- cmd/pgtidy: lsp and config subcommands
- pkg/diagnostics: TextFix struct for byte-range autofixes
- pkg/lint: MIG001/MIG003 autofixes, ApplyFixes helper, --fix flag on lint command
- editors/vscode: TypeScript extension with LanguageClient, showVersion/showConfig/formatDocument commands, logo
- editors/datagrip: Gradle JetBrains plugin via LSP4IJ, pluginIcon
- .goreleaser.yaml, .github/workflows: CI + release pipeline
- Makefile: snapshot, release, vscode-compile, vscode-package targets
- go.mod + all imports: module path updated to git.warky.dev/wdevs/pgtidy
- assets: logo files (256px, 128px, 1024px, ico)

.goreleaser.yaml

@@ -0,0 +1,54 @@
+project_name: pgtidy
+
+before:
+  hooks:
+    - go mod tidy
+    - go vet ./...
+
+builds:
+  - id: pgtidy
+    main: ./cmd/pgtidy
+    binary: pgtidy
+    ldflags:
+      - -s -w -X main.version={{ .Version }}
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - arm64
+    ignore:
+      - goos: windows
+        goarch: arm64
+
+archives:
+  - id: pgtidy
+    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    format_overrides:
+      - goos: windows
+        formats: [zip]
+    files:
+      - LICENSE
+      - README.md
+
+checksum:
+  name_template: "checksums.txt"
+
+changelog:
+  sort: asc
+  use: github
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+      - "^chore:"
+      - "^ci:"
+
+release:
+  github:
+    owner: hein
+    name: pgtidy
+  draft: true