Add communities/survey service sites

This transfers the community and survey services page from hifis/software.hifis.net>.

Review App:

• New Services Page
• Community Page
• Survey Page

Transferred from software.hifis.net!379

Closes !210 (merged)
Closes #128 (closed)

changed the description

changed milestone to %Unification of software.hifis.net and hifis.net (V1.0)

added Progress::4_Can review label

requested review from @jandt-desy

changed title from Add communities survey service to Add communities/survey service sites

@frust45 Thank you & fine for me to merge; with one question:

• What is the meaning of "T.B.A." in all of the Hacky Hour Announcements?

approved this merge request

added 1 commit

• 1373ef24 - Fix event location not being properly displayed

Compare with previous version

added Progress::6_Can merge label

removed Progress::4_Can review label

resolved all threads

changed the description

mentioned in commit 9fbcf354

merged