(powershell): Add powershell profile as template.

Documents/PowerShell/Microsoft.PowerShell_profile.ps1.tmpl

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+oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH\atomic.omp.json" | Invoke-Expression
+
+function Get-LastN {
+  param (
+    [Parameter(Position=0)]
+    [int]$days = -7
+    )
+  Get-ChildItem -Path . -Recurse| ? {$_.LastWriteTime -gt (Get-Date).AddDays($days)}
+}
+
+# Using positional parameters
+# See https://www.sharepointdiary.com/2021/02/powershell-function-parameters.html
+function Net-Cat() {
+  param (
+    [Parameter(Position=0)]
+    [string]$computerName = "localhost",
+        [Parameter(Position=1)]
+        [int]$port = 22
+  )
+
+  Test-NetConnection -ComputerName $computerName -Port $port -InformationLevel Detailed
+}
+
+# Navigate one directory up
+function Go-One-Level-Up {
+    cd ..
+}
+# Navigate two directories up
+function Go-Two-Levels-Up {
+    cd ..
+    cd ..
+}
+
+# Set alias for navigation functions
+Set-Alias .. Go-One-Level-Up
+Set-Alias ... Go-Two-Levels-Up
+
+# More Aliases
+Set-Alias vi nvim
+Set-Alias vim nvim