Adds doc changes for lm-config-reloader and minor fixes

[avadhut123pisal]

1. Adds doc changes for lm-config-reloader.
2. Replaces all the occurrences of lm-webhook and lm-reloader with lm-k8s-webhook and lm-config-reloader.

[codecov]

Codecov Report

Merging #17 (faa89dc) into main (173bd38) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #17   +/-   ##
=======================================
  Coverage   87.08%   87.08%           
=======================================
  Files          20       20           
  Lines         906      906           
=======================================
  Hits          789      789           
  Misses         86       86           
  Partials       31       31           

Impacted Files	Coverage Δ
lm-config-reloader/pkg/reloader/reloader.go	78.57% <100.00%> (ø)
lm-config-reloader/pkg/sync/podannotatator.go	66.66% <100.00%> (ø)
pkg/reloader/reloader.go	82.85% <100.00%> (ø)

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