CRUD operations for snowflake databases

[ryanking]

This will CRUD snowflake databases.

Auth is currently username + password only. Will look into okta later.

[codecov]

Codecov Report

Merging #2 into master will decrease coverage by 53.57%.
The diff coverage is 39.18%.

@@             Coverage Diff             @@
##           master       #2       +/-   ##
===========================================
- Coverage     100%   46.42%   -53.58%     
===========================================
  Files           1        4        +3     
  Lines          21      168      +147     
===========================================
+ Hits           21       78       +57     
- Misses          0       90       +90

Impacted Files	Coverage Δ
pkg/snowflake/validation.go	0% <0%> (ø)
pkg/snowflake/escaping.go	100% <100%> (ø)
pkg/resources/database.go	27.38% <27.38%> (ø)
pkg/provider/provider.go	85% <77.5%> (-15%)	⬇️

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