Update the series view command to be in greyscale if the user has not claimed the card (#297)

- Install `Jimp` package so we can manipulate images
- Update the `ImageHelper` class to accept the user id so we can check if a user has claimed the card
- Update the `/series view` command to pass the user id into the ImageHelper

#279

Reviewed-on: #297
Reviewed-by: VylpesTester <tester@vylpes.com>
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

package.json

@@ -40,6 +40,7 @@
     "glob": "^10.3.10",
     "jest": "^29.0.0",
     "jest-mock-extended": "^3.0.0",
+    "jimp": "^0.22.12",
     "minimatch": "9.0.5",
     "mysql": "^2.18.1",
     "ts-jest": "^29.0.0",