Move pages under tldr, lint run.sh, update docs

tldr/windows/get-help

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+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Get-Help
+
+> Display help information and documentation for PowerShell commands (aliases, cmdlets, and functions).
+> This command can only be run through PowerShell.
+> More information: <https://learn.microsoft.com/powershell/module/microsoft.powershell.core/get-help>.
+
+- Display general help information for a specific PowerShell command:
+
+`Get-Help {{command}}`
+
+- Display a more detailed documentation for a specific PowerShell command:
+
+`Get-Help {{command}} -Detailed`
+
+- Display the full technical documentation for a specific PowerShell command:
+
+`Get-Help {{command}} -Full`
+
+- Print only the documentation for a specific parameter of the PowerShell command (use `*` to show all parameters), if available:
+
+`Get-Help {{command}} -Parameter {{parameter}}`
+
+- Print only the examples of the cmdlet, if available:
+
+`Get-Help {{command}} -Examples`
+
+- List all available cmdlet help pages:
+
+`Get-Help *`
+
+- Update the current help and documentation knowledge base using `Update-Help`:
+
+`Update-Help`
+
+- View an online version of PowerShell command documentation in the default web browser:
+
+`Get-Help {{command}} -Online`