Move help from Comment-based to md. Relocate functions (sans help)

InferData/Test-String.md

@@ -0,0 +1,57 @@
+---
+external help file: ImportExcel-help.xml
+Module Name: ImportExcel
+online version:
+schema: 2.0.0
+---
+
+# Test-String
+
+## SYNOPSIS
+{{ Fill in the Synopsis }}
+
+## SYNTAX
+
+```
+Test-String [[-p] <Object>]
+```
+
+## DESCRIPTION
+{{ Fill in the Description }}
+
+## EXAMPLES
+
+### Example 1
+```powershell
+PS C:\> {{ Add example code here }}
+```
+
+{{ Add example description here }}
+
+## PARAMETERS
+
+### -p
+{{ Fill p Description }}
+
+```yaml
+Type: Object
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: 0
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+## INPUTS
+
+### None
+
+## OUTPUTS
+
+### System.Object
+## NOTES
+
+## RELATED LINKS