fix initialGridInformations() in GridReader

See merge request irmb/VirtualFluids_dev!67

Add cmake format file and extend the first cmake project command.

See merge request irmb/VirtualFluids_dev!66

Adapt WTG_RUB main to new config reader

See merge request irmb/VirtualFluids_dev!65

Clean up Configuration File mess. Closes #18

Closes #18

See merge request irmb/VirtualFluids_dev!56

add readme.md as start page in doxygen

See merge request irmb/VirtualFluids_dev!61

Small clean ups in CI file. Use docker image with specific ubuntu version.

See merge request irmb/VirtualFluids_dev!58

Develop

See merge request irmb/VirtualFluids_dev!57

# Conflicts:
#	src/gpu/VirtualFluids_GPU/GPU/CalcMac27.cu

(cherry picked from commit 77aca325)

before only one channel side could have a velocity boundary condition (bc). When setting a bc at a second side, the first bc was overwritten.
Velocity bcs were fied in the previous commit (bda2c544271657adfabb63e9ae974e77692566a6). This commit fixes the boundaryQs for velocity.

(cherry picked from commit 811e344b)

before only one channel side could have a velocity boundary condition (bc). When setting a bc at a second side, the first bc was overwritten.

(cherry picked from commit daa787a3)