🩹 [Patch]: Move variables to root (#11)

## Description

- Move variables to root

## Type of change

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

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

## Checklist

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

Author: MariusStorhaug

src/private/common.ps1 src/common.ps1src/private/common.ps1 renamed to src/common.ps1

@@ -12,6 +12,7 @@
         .EXAMPLE
         Get-PublicIP -Provider MyIP
     #>
+    [CmdletBinding()]
     param(
         # The provider to use to get the public IP address.
         [Parameter()]