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)

editors/vscode/package.json

@@ -0,0 +1,88 @@
+{
+  "name": "pgtidy",
+  "displayName": "PgTidy",
+  "description": "PostgreSQL formatter and linter powered by pgtidy",
+  "version": "0.1.0",
+  "publisher": "warky-devs",
+  "author": {
+    "name": "Hein Puth",
+    "email": "hein.puth@gmail.com"
+  },
+  "icon": "assets/logo_256.png",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://git.warky.dev/wdevs/PgTidy"
+  },
+  "engines": {
+    "vscode": "^1.85.0"
+  },
+  "categories": [
+    "Formatters",
+    "Linters"
+  ],
+  "activationEvents": [
+    "onCommand:pgtidy.showVersion",
+    "onCommand:pgtidy.showConfig",
+    "onCommand:pgtidy.formatDocument"
+  ],
+  "main": "./out/extension",
+  "contributes": {
+    "commands": [
+      {
+        "command": "pgtidy.showVersion",
+        "title": "Show Version",
+        "category": "PgTidy"
+      },
+      {
+        "command": "pgtidy.showConfig",
+        "title": "Show Config",
+        "category": "PgTidy"
+      },
+      {
+        "command": "pgtidy.formatDocument",
+        "title": "Format Document",
+        "category": "PgTidy"
+      }
+    ],
+    "languages": [
+      {
+        "id": "sql",
+        "extensions": [
+          ".pgsql"
+        ]
+      }
+    ],
+    "configuration": {
+      "title": "PgTidy",
+      "properties": {
+        "pgtidy.path": {
+          "type": "string",
+          "default": "pgtidy",
+          "description": "Path to the pgtidy binary. Defaults to 'pgtidy' (must be on PATH)."
+        },
+        "pgtidy.enable": {
+          "type": "boolean",
+          "default": true,
+          "description": "Enable the PgTidy language server."
+        }
+      }
+    }
+  },
+  "scripts": {
+    "build": "tsc -p ./",
+    "compile": "tsc -p ./",
+    "watch": "tsc -watch -p ./",
+    "package": "vsce package --no-dependencies",
+    "lint": "eslint src --ext ts"
+  },
+  "dependencies": {
+    "vscode-languageclient": "^9.0.1"
+  },
+  "devDependencies": {
+    "@types/node": "^20.0.0",
+    "@types/vscode": "^1.85.0",
+    "@vscode/vsce": "^2.24.0",
+    "typescript": "^5.3.0"
+  }
+}