update compliance docs

[viveksahu26]

This PR update documentation for compliance.

$ go run main.go compliance -h                                           

Check if our SBOM meets compliance requirements for various standards, such as NTIA minimum elements, 
BSI TR-03183-2, Framing Software Component Transparency (v3) and OpenChain Telco.

Usage:
  sbomqs compliance [flags]

Examples:
 sbomqs compliance <--ntia | --bsi | --fsct | --oct > [--basic | --json] <SBOM file>

  # Check a NTIA minimum elements compliance against a SBOM in a table output
  sbomqs compliance --ntia samples/sbomqs-spdx-syft.json

  # Check a BSI TR-03183-2 v1.1 compliance against a SBOM in a table output
  sbomqs compliance --bsi samples/sbomqs-spdx-syft.json

   # Check a Framing Software Component Transparency (v3) compliance against a SBOM in a table output
  sbomqs compliance --fsct samples/sbomqs-spdx-syft.json

  # Check a OpenChain Telco compliance against a SBOM in a JSON output
  sbomqs compliance --oct --json samples/sbomqs-spdx-syft.json

   # Check a Framing Software Component Transparency (v3) compliance against a SBOM in a table colorful output
  sbomqs compliance --fsct --color samples/sbomqs-spdx-syft.json



Flags:
  -b, --basic      output in basic format
  -c, --bsi        BSI TR-03183-2 (v1.1)
  -l, --color      output in colorful
  -D, --debug      debug logging
  -d, --detailed   output in detailed format(default)
  -f, --fsct       Framing Software Component Transparency (v3)
  -h, --help       help for compliance
  -j, --json       output in json format
  -n, --ntia       NTIA minimum elements (July 12, 2021)
  -t, --oct        OpenChain Telco SBOM (v1.0)