Add powershell wrapper for detect-secrets (Yelp#262)

* Add powershell wrapper for detect-secrets

* Remove extra lines

user-config/detect-secrets.psm1

@@ -0,0 +1,19 @@
+# Description:
+#   Windows Powershell wrapper for whitewater detect-secret
+#   Once installed, allow Windows user to use "detect-secrets" command in Powershell env.
+#
+# Installation:
+#   1. Create a folder under $HOME\Documents\WindowsPowerShell\Modules\ named "detect-secrets"
+#   2. Put this script under $HOME\Documents\WindowsPowerShell\Modules\detect-secrets\
+#   3. In any Powershell window, start using "detect-secrets"! :-)
+#
+# Note:
+#   This Powershell module will create a command called "detect-secrets". If you have already installed
+#   the detect-secrets pip module, you should remove it to avoid command conflict.
+function detect-secrets {
+    $current_dir = (Get-Location).Path
+    $dss_image_tag = "dss-latest"
+    $dss_image = "txo-toolbox-team-docker-local.artifactory.swg-devops.com/git-defenders/detect-secrets:${dss_image_tag}"
+
+    docker run --rm -it -v ${current_dir}:/code ${dss_image} $args
+}