docs: Add Azure Cloud Shell installation instructions

[ggaetz-fortinet]

Summary

Installation instructions should include Azure Cloud Shell, as many integration processes can be done through Cloud Shell with LW CLI installed.

How did you test this change?

N/A

Issue

Mantis 1111465

[github-actions]

Lacework Code Security found potential new issues in this PR.

sca found potential 1 new issues

• CVE-2024-45337 (go.sum: golang.org/x/crypto@0.17.0) ❌(critical)

  More details

  Package: golang.org/x/crypto@0.17.0 (direct)
  Vulnerability CVE-2024-45337 (severity: critical, fixed in 0.31.0)
  SmartFix: 0.31.0 (Minimal version with no known vulnerabilities)
  Link: CVE-2024-45337

  Explanation: Why is this SmartFix recommended?

      Sorted Version Graph for package pkg:golang/golang.org/x/crypto@0.17.0
        0.17.0 is vulnerable:
          critical   CVE-2024-45337       FixVersion= 0.31.0
        0.31.0 is not vulnerable
      
      Fix recommendations for package pkg:golang/golang.org/x/crypto@0.17.0
        0.31.0 is the minimal version with no known vulnerabilities
        0.31.0 is the maximum version and it has no known vulnerabilities
      
      Stats: the Version Graph has 2 versions (nodes) and 1 CVEs (edges) (diameter=1)