enable html format templating (#953)

Add the template format option to prevent vscode from messing with the hugo template format in html files.

Author: AarynSmith

containers/hugo/.devcontainer/devcontainer.json

@@ -17,7 +17,9 @@
 	},
 
 	// Set *default* container specific settings.json values on container create.
-	"settings": {},
+	"settings": {
+		"html.format.templating": true,
+	},
 
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
@@ -35,4 +37,4 @@
 
 	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "node"
-}
+}