message: Move rollup dependencies to devDependencies
diff: "github-injection": "^0.3.0",
  "linkify-issues": "^1.1.0",
  "linkify-urls": "^1.0.2",
  - "rollup-plugin-commonjs": "^8.0.2",
  - "rollup-plugin-node-resolve": "^3.0.0",
  "select-dom": "^4.1.0",
  "to-semver": "^1.1.0",
  "webext-dynamic-content-scripts": "^2.0.1"
  "cross-env": "^5.0.1",
  "npm-run-all": "^4.0.2",
  "rollup": "^0.43.0",
  + "rollup-plugin-commonjs": "^8.0.2",
  + "rollup-plugin-node-resolve": "^3.0.0",
  "rollup-watch": "^4.0.0",
  "webext": "^1.9.1-with-submit.1",
  "xo": "*"
  