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

tldr/windows/get-command

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+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Get-Command
+
+> List and get available commands in the current PowerShell session.
+> This command can only be run through PowerShell.
+> More information: <https://learn.microsoft.com/powershell/module/microsoft.powershell.core/get-command>.
+
+- List all available PowerShell commands (aliases, cmdlets, functions) in the current computer:
+
+`Get-Command`
+
+- List all available PowerShell commands in the current session:
+
+`Get-Command -ListImported`
+
+- List only PowerShell aliases/cmdlets/functions available in the computer:
+
+`Get-Command -Type {{Alias|Cmdlet|Function}}`
+
+- List only programs or commands available on PATH in the current session:
+
+`Get-Command -Type Application`
+
+- List only PowerShell commands by the module name, e.g. `Microsoft.PowerShell.Utility` for utility-related commands:
+
+`Get-Command -Module {{module}}`
+
+- Get the command information (e.g. version number or module name) by its name:
+
+`Get-Command {{command}}`