Improve documentation and examples of resource /jobs in TUC-Kollektor

...cause they are out of date.

currently taken from https://urz-asist.hrz.tu-chemnitz.de/hs-kollektoren/api-doc/?urls.primaryName=OpenASiST%20HS-Kollektor%20v2#/Jobs/get_jobs:

real world response:

[
  {
    "category": "Vollzeitstelle",
    "catID": 1,
    "creator": "Generalzolldirektion",
    "url": "https://www.tu-chemnitz.de/career-service/jobboerse/view.php?id=23320",
    "country": "DE",
    "company": "Generalzolldirektion",
    "title": "Sachbearbeitung (w/m/d) in der operativen Einzelfallanalyse",
    "dateFrom": "2021-09-01",
    "place": "Dresden",
    "faculties": [
      "Wirtschaftswissenschaften"
    ]
  },

As comparison the current doc from HTWK-Kollektor: (Please report remaining issues. E.g. does country have a specified format?)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information