Resolve "NAT IPs"

Closes #652

See merge request !1168

Fixed time for reservations

Closes #649

See merge request !1165

Merge branch '649-reservation-time-is-incorrect' of gitlab.hrz.tu-chemnitz.de:zih/hpcsupport/hpc-compendium into 649-reservation-time-is-incorrect

- Adjust date format
- Adjust mail template

Update migration_to_barnard.md:

See merge request !1166

Co-authored-by: Martin Schroschk <martin.schroschk@tu-dresden.de>

Co-authored-by: Martin Schroschk <martin.schroschk@tu-dresden.de>

add 'Outdated' to title, correct ws_list --list command to ws_list -l
I wanted to figure out the available filesystems, therefore searched for 'ws' or 'ws_list', then an archived page shows up with a command that produces an error since there is only the short option, not the long option, thus has not been properly tested before it has been documented.

Use Git aliases in local contribution guide

See merge request !1157

Add page for Capella

Closes #602

See merge request !1152

Co-authored-by: Sebastian Döbel <sebastian.doebel@tu-dresden.de>

Update introduction slides2024

See merge request !1154

Improve `git-diff` usage and fix monikers

See merge request !1156

Co-authored-by: Sebastian Döbel <sebastian.doebel@tu-dresden.de>

Co-authored-by: Sebastian Döbel <sebastian.doebel@tu-dresden.de>

Co-authored-by: Sebastian Döbel <sebastian.doebel@tu-dresden.de>

Co-authored-by: Sebastian Döbel <sebastian.doebel@tu-dresden.de>

- Be more precise and provide more information
- Add box on current status (acceptance phase)