Switch package to @osrd-project NPM org

Author: emersion

package.json

@@ -13,7 +13,7 @@
     "generate:api": "openapi-generator-cli generate",
     "local-test": "ng test --watch --code-coverage"
   },
-  "name": "netzgrafik-frontend",
+  "name": "@osrd-project/netzgrafik-frontend",
   "version": "2.5.0",
   "files": [
     "dist/*"