Applications page rework

[cbielow]

as discussed:

• add links to common workloads, like LFQ and TMT workflows for KNIME, Galaxy, TOPPAS etc
• split by OMICS type (PTX, MTX, etc)

[matteopilz]

An ideal solution could look something like this:
https://hub.knime.com/search?tag=OpenMS&sort=maxKudos&type=workflow