Swarm: Add swarm creation into the UI

moved from #242 (closed)

changed milestone to %Swarm-chat

added swarm label

added to epic &19 (closed)

changed epic to &20 (closed)

mentioned in issue #340 (closed)

added 1 deleted label

added 1 deleted label

mentioned in commit jami-daemon@ab3e5231

mentioned in commit jami-libclient@e6b0149d

mentioned in commit jami-libclient@93851248

mentioned in commit jami-libclient@4a29b5f4

mentioned in commit jami-libclient@141b0603

mentioned in commit jami-libclient@031ec4c3

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closed

mentioned in commit adb8c982

mentioned in commit db797792

mentioned in commit 303639fe

mentioned in commit 5337ede5