feat: add sprig funcmap

[moul]

Addresses #2

[github-actions]

Expected release notes (by @moul)

features:
add sprig funcmap (6c64333)

• I hereby acknowledge these release notes are 🥙 AWESOME 🥙

[codecov]

Codecov Report

Merging #3 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #3   +/-   ##
=======================================
  Coverage   51.85%   51.85%           
=======================================
  Files           1        1           
  Lines          27       27           
=======================================
  Hits           14       14           
  Misses         12       12           
  Partials        1        1           

Flag	Coverage Δ
#unittests	51.85% <ø> (ø)

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[guardrails]

⚠️ We detected security issues in this pull request:

Vulnerable Libraries (1)

• pkg:golang/golang.org/x/crypto@0.0.0-20190308221718-c2843e01d9a2 upgrade to >= 2019-03-20

More info on how to fix Vulnerable Libraries in Go.

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[github-actions]

🎉 This PR is included in version 1.1.0 🎉

The release is available on GitHub release

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