Resolve "Generate Snippets and include-list for deployment"

Closes #21

See merge request !69

Resolve "deploy to tuhh-server on www3-dev and www3"

Closes #34

See merge request !68

Resolve "Review App Link does not update Webpage"

Closes #31

See merge request !67

Resolve "add review php script to repository"

Closes #33

See merge request !66

Resolve "refactor integrate_pandoc.sh"

Closes #6

See merge request !36

Refactor the whole process in subroutines to allow for thorough testing
- create_html
- replace_marker
- additional tests with against reference builds

Furthermore, adapt pipeline to run all tests at testing stage

Resolve "Some typos again"

Closes #28

See merge request !63

Resolve "files don't get updated -- fix scp command for deploy-on-asteroid"

Closes #30

See merge request !64

Resolve "Adapt information on index file"

Closes #27

See merge request !62

Resolve "exclude mirrors from deployment jobs"

Closes #24

See merge request !61

add further rule for review app

See merge request !60

add further rule for review app

See merge request !59

- also dev should be hosted on asteroid

Resolve "fix master review"

Closes #26

See merge request !58

Resolve "fix deployment jobs"

Closes #25

See merge request !57

Resolve "fix deployment jobs"

Closes #25

See merge request !56

Resolve "add rules to gitlab to speed up building"

Closes #23

See merge request !55

Resolve "review app on asteroid"

Closes #22

See merge request !54

newest changes (Rebekka and Kristof) into master

See merge request !53