Added Run-PSScriptAnalyzer for checking code quality

Author: alan-null

PSScriptAnalyzerSettings.psd1

@@ -0,0 +1,30 @@
+@{
+
+    IncludeRules = @('PSUseApprovedVerbs',
+        'PSReservedCmdletChar',
+        'PSReservedParams',
+        'PSShouldProcess',
+        'PSUseShouldProcessForStateChangingFunctions',
+        'PSUseSingularNouns',
+        'PSMissingModuleManifestField',
+        'PSAvoidDefaultValueSwitchParameter',
+        'PSAvoidUsingCmdletAliases',
+        'PSAvoidUsingWMICmdlet',
+        'PSAvoidUsingEmptyCatchBlock',
+        'PSUseCmdletCorrectly',
+        'PSUseShouldProcessForStateChangingFunctions',
+        'PSAvoidUsingPositionalParameters',
+        'PSAvoidGlobalVars',
+        'PSUseDeclaredVarsMoreThanAssignments',
+        'PSAvoidUsingInvokeExpression',
+        'PSAvoidUsingPlainTextForPassword',
+        'PSAvoidUsingComputerNameHardcoded',
+        'PSUsePSCredentialType',
+        'PSDSC*'
+    )
+    Rules        = @{
+        PSAvoidUsingCmdletAliases = @{
+            Whitelist = @("?", "%")
+        }
+    }
+}

Run-PSScriptAnalyzer.ps1

@@ -0,0 +1,5 @@
+Import-Module "$env:USERPROFILE\.vscode\extensions\ms-vscode.powershell-*\modules\PSScriptAnalyzer\*\PSScriptAnalyzer.psm1"
+
+$Public = Get-ChildItem -Path $PSScriptRoot -Recurse -Filter "*.ps1" | ? { $_.Name[0].Equals($_.Name.ToUpper()[0]) }
+
+$Public | % { Invoke-ScriptAnalyzer -Path $_.fullname -Settings .\PSScriptAnalyzerSettings.psd1 }