Add container/VM autodiscovery, optional username in config, and management scripts

README.md

@@ -51,17 +51,19 @@ Edit `infrastructure.conf` to define your servers:
 
 ```
 Production
-  infmap@prod-web-01 https://web01.example.com
-  infmap@prod-db-01
-  infmap@prod-app-01 https://app01.example.com:8080
+  prod-web-01 https://web01.example.com
+  prod-db-01
+  prod-app-01 https://app01.example.com:8080
 
 Development
-  infmap@dev-01
-  infmap@dev-02
+  dev-01
+  dev-02
+  admin@legacy-server
 ```
 
 - Group names are freeform labels (no indentation)
-- Servers are indented with `USERNAME@HOSTNAME [URL]`
+- Servers are indented with `HOSTNAME`, `USERNAME@HOSTNAME`, or either followed by a URL
+- Username defaults to `infmap` if not specified
 - An optional URL after the host adds a clickable link on the dashboard
 - Lines starting with `#` are comments