feat: add x/ecocredit simulations

[aleem1314]

Description

Closes: #416

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[codecov]

Codecov Report

Merging #480 (992d602) into master (744489e) will decrease coverage by 2.03%.
The diff coverage is 29.13%.

❗ Current head 992d602 differs from pull request most recent head f828bf0. Consider uploading reports for the commit f828bf0 to get more accurate results

@@            Coverage Diff             @@
##           master     #480      +/-   ##
==========================================
- Coverage   77.46%   75.42%   -2.04%     
==========================================
  Files         100      104       +4     
  Lines       12764    13330     +566     
==========================================
+ Hits         9887    10054     +167     
- Misses       2287     2679     +392     
- Partials      590      597       +7     

Flag	Coverage Δ
experimental-codecov	75.42% <29.13%> (-2.04%)	⬇️
stable-codecov	66.33% <29.13%> (-1.92%)	⬇️

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[ruhatch]

Thanks, this looks good overall. Mainly wondering about adding more randomness to the generated values.

[anilcse]

lgtm

[ruhatch]

LGTM! Thanks :)