feat(initial): add comprehensive PDF to JPEG preview library with dual-environment support

- Add Node.js implementation using @push.rocks/smartpdf
- Add browser implementation with PDF.js and Web Workers
- Support configurable quality, dimensions, and page selection
- Include comprehensive TypeScript definitions and error handling
- Provide extensive test coverage for both environments
- Add download functionality and browser compatibility checking

package.json

@@ -0,0 +1,54 @@
+{
+  "name": "@push.rocks/smartpreview",
+  "version": "1.0.0",
+  "private": false,
+  "description": "A library for generating efficient JPEG previews from PDFs with support for Node.js and browser environments",
+  "main": "dist_ts/index.js",
+  "typings": "dist_ts/index.d.ts",
+  "type": "module",
+  "exports": {
+    ".": "./dist_ts/index.js",
+    "./web": "./dist_ts_web/index.js"
+  },
+  "scripts": {
+    "test": "(tstest test/ --web)",
+    "build": "(tsbuild tsfolders --allowimplicitany)",
+    "buildDocs": "tsdoc"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://code.foss.global/push.rocks/smartpreview.git"
+  },
+  "keywords": [
+    "pdf",
+    "preview",
+    "jpeg",
+    "image",
+    "conversion",
+    "nodejs",
+    "browser",
+    "pdfjs",
+    "worker"
+  ],
+  "author": "Lossless GmbH",
+  "license": "MIT",
+  "dependencies": {
+    "@push.rocks/smartpdf": "^4.0.0",
+    "@push.rocks/smartenv": "^5.0.5",
+    "@push.rocks/smartjson": "^5.0.10",
+    "@push.rocks/smartpromise": "^4.0.3"
+  },
+  "devDependencies": {
+    "@git.zone/tsbuild": "^2.1.70",
+    "@git.zone/tsrun": "^1.2.46",
+    "@git.zone/tstest": "^1.0.81",
+    "@types/node": "^20.6.3"
+  },
+  "engines": {
+    "node": ">=16"
+  },
+  "browserslist": [
+    "last 1 Chrome version"
+  ],
+  "packageManager": "pnpm@10.11.0+sha512.6540583f41cc5f628eb3d9773ecee802f4f9ef9923cc45b69890fb47991d4b092964694ec3a4f738a420c918a333062c8b925d312f42e4f0c263eb603551f977"
+}