Fix error "duplicate packages" because of RN and TS

Author: ValentinaKozlova

packages/react-native-icons/package.json

@@ -17,6 +17,7 @@
     "copy": "node ../../importer/generate.js --source=../../assets --dest=./intermediate --extension=svg --target=react",
     "convert:svg": "node convert.js --source=./intermediate --dest=./src",
     "rollup": "node ./generateRollup.js",
+    "prepare": "tsc",
     "optimize": "svgo --config svgo.config.js --folder=./intermediate --precision=2",
     "unfill": "find ./intermediate -type f -name \"*.svg\" -exec sed -i.bak 's/fill=\"none\"//g' {} \\; && find ./intermediate -type f -name \"*.bak\" -delete",
     "build": "npm run copy && npm run convert:svg && npm run cleanSvg && npm run build:esm && npm run build:cjs",