Refactoring, done by @Lisk.

See merge request rc3/howto!41

# Conflicts:
#   docs/maps.en.md
#   docs/maps.md

moved sponsoring to howto

See merge request rc3/howto!40

Fixed typos

See merge request rc3/howto!37

fixed typos in maschinenraum.md

See merge request rc3/howto!36

# Conflicts:
#   docs/maschinenraum.md

Update index.md

See merge request rc3/howto!35

Vanion master patch 41996

See merge request rc3/howto!33

fix typo gema.md

See merge request rc3/howto!34

Added exitUrls List, expanded Maschinenraum Doku

See merge request rc3/howto!38

commit 1ad56ac4
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:43:52 2020 +0000

    Update maps.en.md

commit dc6aca3f
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:37:13 2020 +0000

    Update maps.md

commit 642dd401
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:33:02 2020 +0000

    Update index.md

commit 7c6de215
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:30:54 2020 +0000

    english version

commit e43310e3
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:24:29 2020 +0000

    Update exitUrls.md

commit 42953fc5
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:24:04 2020 +0000

    Update maps.md

commit 108b1aeb
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:23:17 2020 +0000

    moved exitUrls to own file

commit 5b95bd69
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:09:07 2020 +0000

    Moved section

commit 1af9be4b
Author: deinkoks <deinkoks@cert.ccc.de>
Date:   Fri Dec 25 19:03:35 2020 +0000

    Added exitUrls List

Added detailled information about banners.

Detailinformationen zum Banner.

Added cross-assembly links section

See merge request rc3/howto!32

fixed typo

See merge request rc3/howto!31

Add world-exit to documentation

See merge request rc3/howto!30