Update readme

Dependencies

• [2] CDMJ67N7 Add Devoxx slides export
• [3] 73PQOETU Update slides to 2021 situation
• [4] PIJ65A3S Update slide deck for FrontMania
• [5] OPKP65D4 Activeer thema voor Future Tech
• [*] 6IUUMFCC Initial commit

Change contents

• replacement in README.md at line 13
  [2.15096819]→[3.2374:2401](∅→∅),[3.20]→[3.2374:2401](∅→∅)
  −

  − ## Program & target times
  [2.15096819]

  [3.2401]
  + * Devoxx 2022
• edit in README.md at line 15
  [3.2402]→[3.2402:2717](∅→∅)
  − | Section | Target time | Duration |

  − |---|---:|---:|

  − | Welcome | 0:00 | 3:00 |

  − | Preface | 3:00 | 5:00 |

  − | Git | 8:00 | 5:00 |

  − | The browser wars | 13:00 | 4:00 |

  − | New kids on the block | 17:00 | 1:00 |

  − | Fossil | 18:00 | 9:00 |

  − | Pijul | 27:00 | 13:00 |

  − | Predictions | 40:00 | 15:00 |

  − | Wrap-up | 45:00 | 0:00 |