support for module name in violation summary

[patilpankaj212]

1. adds support for accommodating module_name in the violation summary and resource config output, for terraform iac type.
2. For root modules, the module_name would be root
3. For file scans, module_name will default to root

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #774 (77b2ba2) into master (01c8d78) will decrease coverage by 0.01%.
The diff coverage is 82.35%.

@@            Coverage Diff             @@
##           master     #774      +/-   ##
==========================================
- Coverage   73.78%   73.77%   -0.02%     
==========================================
  Files         110      110              
  Lines        3285     3294       +9     
==========================================
+ Hits         2424     2430       +6     
- Misses        677      679       +2     
- Partials      184      185       +1     

Impacted Files	Coverage Δ
pkg/iac-providers/output/types.go	100.00% <ø> (ø)
pkg/results/types.go	100.00% <ø> (ø)
pkg/writer/human_readable.go	78.68% <0.00%> (-4.08%)	⬇️
pkg/iac-providers/terraform/commons/load-dir.go	84.55% <100.00%> (+0.46%)	⬆️
pkg/iac-providers/terraform/commons/load-file.go	92.30% <100.00%> (+0.30%)	⬆️
pkg/policy/opa/engine.go	65.57% <100.00%> (+0.14%)	⬆️