🤖 chore: Add travis script.

Author: a-flying-potato

package.json

@@ -34,7 +34,8 @@
     "lint": "true",
     "prepare": "npm run build",
     "cover": "NODE_ENV=cover c8 --all --src src --reporter lcov --reporter text-summary --reporter text npm test",
-    "dev": "npm run lint-config-and-fix && npm run lint-and-fix && npm run cover -- -- -st --fail-fast"
+    "dev": "npm run lint-config-and-fix && npm run lint-and-fix && npm run cover -- -- -st --fail-fast",
+    "travis": null
   },
   "license": "AGPL-3.0",
   "name": "@aureooms/js-operator",