feat: gracefully and force shutdown

[alexander-akait]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

manually

Motivation / Use-Case

fixes #1479

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #3880 (d739ceb) into master (01b178d) will decrease coverage by 0.08%.
The diff coverage is 79.16%.

@@            Coverage Diff             @@
##           master    #3880      +/-   ##
==========================================
- Coverage   92.72%   92.63%   -0.09%     
==========================================
  Files          14       14              
  Lines        1334     1345      +11     
  Branches      467      467              
==========================================
+ Hits         1237     1246       +9     
- Misses         89       92       +3     
+ Partials        8        7       -1     

Impacted Files	Coverage Δ
client-src/index.js	80.76% <71.42%> (-0.61%)	⬇️
lib/Server.js	93.60% <90.00%> (-0.05%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f0dbea0...d739ceb. Read the comment docs.