Update the manuals

Docs/open-default-browser.md

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+## open-default-browser.ps1 - Opens the default browser
+
+This script launches the default Web browser, optional with a given URL.
+
+## Parameters
+```powershell
+open-default-browser.ps1 [[-URL] <String>] [<CommonParameters>]
+
+-URL <String>
+    Specifies the URL
+    
+    Required?                    false
+    Position?                    1
+    Default value                http://www.fleschutz.de
+    Accept pipeline input?       false
+    Accept wildcard characters?  false
+
+[<CommonParameters>]
+    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
+    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
+```
+
+## Example
+```powershell
+PS> ./open-default-browser
+
+```
+
+## Notes
+Author: Markus Fleschutz · License: CC0
+
+## Related Links
+https://github.com/fleschutz/PowerShell
+
+*Generated by convert-ps2md.ps1 using the comment-based help of open-default-browser.ps1*