docs: setup instructions for tari swarm

[MCozhusheck]

Description

Update README instruction how to setup tari_swarm_daemon.

Breaking Changes

• [x] None
• [ ] Requires data directory to be deleted
• [ ] Other - Please specify

[github-actions[bot]]

Test Results (CI)

533 tests  ±0   533 :white_check_mark: ±0   3h 33m 43s :stopwatch: + 1h 42m 17s  64 suites ±0     0 :zzz: ±0    2 files   ±0     0 :x: ±0 

Results for commit 516e2218. ± Comparison against base commit 49780c87.