feat: initial dev-configs monorepo

Shared configs for TypeScript projects: ESLint, Prettier, TypeScript,
Vite, Jest, Playwright, Knip. Published as @vigdorov/* npm packages
to Gitea registry.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/knip/package.json

@@ -0,0 +1,19 @@
+{
+    "name": "@vigdorov/knip-config",
+    "version": "1.0.0",
+    "description": "Shared Knip configuration",
+    "type": "module",
+    "main": "dist/index.js",
+    "types": "dist/index.d.ts",
+    "files": ["dist"],
+    "scripts": {
+        "build": "tsc"
+    },
+    "peerDependencies": {
+        "knip": ">=5.0.0"
+    },
+    "devDependencies": {
+        "knip": "^5.51.0",
+        "typescript": "^5.8.3"
+    }
+}

packages/knip/src/index.ts

@@ -0,0 +1,22 @@
+export interface KnipConfigOptions {
+    entry?: string[];
+    project?: string[];
+    ignore?: string[];
+    ignoreDependencies?: string[];
+}
+
+export function knipConfig(options: KnipConfigOptions = {}) {
+    const {
+        entry = ['src/index.ts'],
+        project = ['src/**/*.{ts,tsx,js,jsx}'],
+        ignore = [],
+        ignoreDependencies = [],
+    } = options;
+
+    return {
+        entry,
+        project,
+        ignore: ['**/*.test.*', '**/*.spec.*', 'e2e/**', '**/*.d.ts', ...ignore],
+        ignoreDependencies,
+    };
+}

packages/knip/tsconfig.json

@@ -0,0 +1,8 @@
+{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src"
+    },
+    "include": ["src"]
+}