🩹 [Patch]: Add hashtable as a requirement (#30)

## Description

This pull request includes a small change to the `scripts/main.ps1`
file. The change adds the `Hashtable` module to the `$requiredModules`
list.

*
[`scripts/main.ps1`](diffhunk://#diff-dc2e5a659836b1b73abb03421c567f5018c2755677c4a0aa764cb26117b68011R15):
Added `Hashtable` to the `$requiredModules` list.

## Type of change

<!-- Use the check-boxes [x] on the options that are relevant. -->

- [ ] 📖 [Docs]
- [ ] 🪲 [Fix]
- [ ] 🩹 [Patch]
- [ ] ⚠️ [Security fix]
- [ ] 🚀 [Feature]
- [ ] 🌟 [Breaking change]

## Checklist

<!-- Use the check-boxes [x] on the options that are relevant. -->

- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas

scripts/main.ps1

@@ -12,6 +12,7 @@ $requiredModules = @{
     PSScriptAnalyzer  = @{}
     PlatyPS           = @{}
     MarkdownPS        = @{}
+    Hashtable         = @{}
     # 'Microsoft.PowerShell.PlatyPS' = @{
     #     Prerelease = $true
     # }