Add hubs.xrpkuwait.com to bootstrap

[alloynetworks]

Add hubs.xrpkuwait.com to default bootstrap and update example rippled.cfg file. Combines 5166 and 5167

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.5%. Comparing base (0d887ad) to head (af5f761). Report is 1 commits behind head on develop.

Additional details and impacted files

[](https://app.codecov.io/gh/XRPLF/rippled/pull/5169?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF) ```diff @@ Coverage Diff @@ ## develop #5169 +/- ## ========================================= - Coverage 77.5% 77.5% -0.0% ========================================= Files 777 777 Lines 65831 65832 +1 Branches 8184 8207 +23 ========================================= - Hits 51026 50996 -30 - Misses 14805 14836 +31 ``` | [Files with missing lines](https://app.codecov.io/gh/XRPLF/rippled/pull/5169?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF) | Coverage Δ | | |---|---|---| | [src/xrpld/overlay/detail/OverlayImpl.cpp](https://app.codecov.io/gh/XRPLF/rippled/pull/5169?src=pr&el=tree&filepath=src%2Fxrpld%2Foverlay%2Fdetail%2FOverlayImpl.cpp&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF#diff-c3JjL3hycGxkL292ZXJsYXkvZGV0YWlsL092ZXJsYXlJbXBsLmNwcA==) | `34.7% <100.0%> (+0.1%)` | :arrow_up: | ... and [7 files with indirect coverage changes](https://app.codecov.io/gh/XRPLF/rippled/pull/5169/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF) [](https://app.codecov.io/gh/XRPLF/rippled/pull/5169?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF)

[ximinez]

@alloynetworks Since this has two passing reviews, please affirmatively indicate that it's ready to merge by adding the "Passing" label, or leaving a comment to that effect.