Add support to ignore directory

[ad-m-ss]

Describe the bug

I have terragrunt project, so I have multiple .terragrunt-cache directories. It's pointless to scan that directory, because code are duplicated from other part of project. As a result, I am overloaded in Findings Explorer with duplicate findings.

Desktop (please complete the following information):

• OS: [e.g. Windows] Mac
• Tfsec Version [e.g. v0.62.0] v1.8.0
• VSCode Version:

  Version: 1.66.2 (Universal)
  Commit: dfd34e8260c270da74b5c2d86d61aee4b6d56977
  Date: 2022-04-11T07:49:20.994Z (1 wk ago)
  Electron: 17.2.0
  Chromium: 98.0.4758.109
  Node.js: 16.13.0
  V8: 9.8.177.11-electron.0
  OS: Darwin arm64 21.4.0

Additional context

Example list of findings:

[owenrumney]

Hi @ad-m-ss - this has been added to v1.10.0

*.tf files and .directories can be excluded from the main file explorer window through the context window.

To unignore, edit the .vscode/settings.json and update the tfsec.exludedPaths slice.

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@owenrumney where I can audit that release? Not available on GitHub: https://github.com/aquasecurity/vscode-tfsec/releases

[owenrumney]

https://github.com/aquasecurity/vscode-tfsec/releases/tag/v1.10.0

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Thanks!