Provide Windows single command sample into readme

Author: oeil

README.md

@@ -27,12 +27,18 @@ docker-compose up
 ```
 Note: *You must be on the same directory as your docker-compose.yml file*
 
-**Single Line Command Execution:**
+**Single Line Command Execution**
 
+Linux / macOS:
 ```
 curl -L https://raw.githubusercontent.com/SMATechnologies/opcon-docker/1.0.2/docker-compose.yml --output docker-compose.yml && SQL_ADMIN_PASSWORD=MssqlP@ssWord42 DB_PASSWORD=OpconP@ssWord42 VOLUME_PATH=/tmp/opcon docker-compose up
 ```
 
+Windows:
+```
+curl -L https://raw.githubusercontent.com/SMATechnologies/opcon-docker/1.0.2/docker-compose.yml --output docker-compose.yml; $env:SQL_ADMIN_PASSWORD="MssqlP@ssWord42"; $env:DB_PASSWORD="OpconP@ssWord42"; $env:VOLUME_PATH="C:\OpCon\"; docker-compose up
+```
+
 ## Environment Variables
 
 ### Mandatory