Allow Viewing of Disabled Params

[AlgoStephenAkiki]

Resolves #3583

Add a new subcommand "algorand-indexer api-config" to show current
config

[winder]

Some small changes needed, and an optional suggestion to consider.

[codecov-commenter]

Codecov Report

Merging #902 (dc0bda8) into develop (8d85bf4) will decrease coverage by 0.65%.
The diff coverage is 3.50%.

@@             Coverage Diff             @@
##           develop     #902      +/-   ##
===========================================
- Coverage    58.69%   58.04%   -0.66%     
===========================================
  Files           39       40       +1     
  Lines         4581     4636      +55     
===========================================
+ Hits          2689     2691       +2     
- Misses        1561     1614      +53     
  Partials       331      331              

Impacted Files	Coverage Δ
api/disabled_parameters.go	44.62% <0.00%> (-14.07%)	⬇️
api/server.go	0.00% <0.00%> (ø)
cmd/algorand-indexer/daemon.go	24.59% <0.00%> (-0.41%)	⬇️
cmd/algorand-indexer/api_config.go	4.16% <4.16%> (ø)
cmd/algorand-indexer/main.go	34.54% <100.00%> (+0.60%)	⬆️

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