Update pwsh style to latest community standards (#52)

* update pwsh style in store files

* update pwsh style in item files

* update pwsh style in connection files

* update pwsh style in certificate files

* update pwsh style in private files

* update pwsh style in drone helper

* update meta

* fix pwsh style

* fix output type

* fix typo in OutputType

* update appveyor build mode

* debugging build mode

* wip

* test windows pipeline

* fix typo

* simplify drone setup

* update readme

* remove deprecated cicd setup

* update pwsh style

src/PSModule.Tests.ps1

@@ -0,0 +1,14 @@
+Describe 'Test module meta' {
+    It 'Test manifest file' {
+        $ManifestFile = (Get-Item -Path "./src/*.psd1").FullName
+        Test-ModuleManifest -Path $ManifestFile | Should -Be $true
+    }
+    It 'Import Module' {
+        $ManifestFile = (Get-Item -Path "./src/*.psd1").FullName
+        { Import-Module $ManifestFile } | Should -Not -Throw
+    }
+    # Dummy test to force pester error
+    #It 'Force Pester Error' {
+    #    $true | Should -BeFalse
+    #}
+}