Add optional flag to bind frontend ip address

[jbreiding]

What changed?
Adding an optional flag to bind frontend to an IP address instead of localhost.

Why?
In order to expose the frontend service from a docker container.

How did you test it?
Locally using https://github.com/jbreiding/potential-goggles

Potential risks
Optional flag

Is hotfix candidate?
No

[codecov-commenter]

Codecov Report

Merging #17 (f09e76b) into main (50d4a31) will decrease coverage by 1.57%.
The diff coverage is 35.29%.

@@            Coverage Diff             @@
##             main      #17      +/-   ##
==========================================
- Coverage   46.49%   44.92%   -1.58%     
==========================================
  Files          11       11              
  Lines         628      650      +22     
==========================================
  Hits          292      292              
- Misses        318      339      +21     
- Partials       18       19       +1     

Impacted Files	Coverage Δ
cmd/temporalite/main.go	1.85% <0.00%> (-0.28%)	⬇️
options.go	56.41% <0.00%> (-6.45%)	⬇️
internal/liteconfig/config.go	87.05% <75.00%> (-2.58%)	⬇️

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[jlegrone]

Looks good to me after a couple small doc updates. Thank you!