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

tldr/windows/show-markdown

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Show-Markdown
+
+> Shows a Markdown file or string in the console in a friendly way using VT100 escape sequences or in a browser using HTML.
+> This command can only be used through PowerShell.
+> More information: <https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/show-markdown>.
+
+- Render markdown to console from a file:
+
+`Show-Markdown -Path {{path	oile}}`
+
+- Render markdown to console from string:
+
+`{{"# Markdown content"}} | Show-Markdown`
+
+- Open Markdown file in a browser:
+
+`Show-Markdown -Path {{path	oile}} -UseBrowser`