feat: add Node.js and Python SDKs

- Node.js SDK: TypeScript, ESM+CJS, zero deps (uses native fetch)
- Python SDK: zero deps (uses urllib), Python 3.8+
- Both fully documented with examples and type hints
- Ready for npm/PyPI publishing

sdk/node/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "snapapi",
+  "version": "1.0.0",
+  "description": "Official Node.js SDK for SnapAPI — EU-hosted screenshot API",
+  "type": "module",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs",
+      "types": "./dist/index.d.ts"
+    }
+  },
+  "files": ["dist"],
+  "scripts": {
+    "build": "tsc && tsc --module commonjs --outDir dist/cjs && mv dist/cjs/index.js dist/index.cjs && rm -rf dist/cjs",
+    "prepublishOnly": "npm run build"
+  },
+  "keywords": ["screenshot", "api", "webpage", "capture", "puppeteer", "headless", "eu", "gdpr"],
+  "author": "Cloonar Technologies GmbH",
+  "license": "MIT",
+  "homepage": "https://snapapi.eu",
+  "repository": {
+    "type": "git",
+    "url": "https://git.cloonar.com/openclawd/SnapAPI"
+  },
+  "engines": {
+    "node": ">=18"
+  },
+  "devDependencies": {
+    "typescript": "^5.0.0"
+  }
+}