Syntax highlighting (#6)

Acornfile

@@ -85,21 +85,23 @@ localData: probeExecCommand: [
 localData: info: """
 ## Usage
 
+```aml
 services: db: {
 	external: "@{acorn.name}"
 }
 
 containers: app: {
-	image: "app-image"
+	image:    "app-image"
 	consumes: ["db"]
 	env: {
-	    DB_HOST:       "@{@{service.}db.address}"
-	    DB_PORT:       "@{@{service.}db.port.3306}"
-	    DB_NAME:       "@{@{service.}db.data.dbName}"
-	    DB_ADMIN_USER: "@{@{service.}db.secrets.admin.username}"
-	    DB_ADMIN_PASS: "@{@{service.}db.secrets.admin.password}"
-		  DB_USER:       "@{@{service.}db.secrets.user.username}"
-		  DB_PASS:       "@{@{service.}db.secrets.user.password}"
+		DB_HOST:       "@{@{service.}db.address}"
+		DB_PORT:       "@{@{service.}db.port.3306}"
+		DB_NAME:       "@{@{service.}db.data.dbName}"
+		DB_ADMIN_USER: "@{@{service.}db.secrets.admin.username}"
+		DB_ADMIN_PASS: "@{@{service.}db.secrets.admin.password}"
+		DB_USER:       "@{@{service.}db.secrets.user.username}"
+		DB_PASS:       "@{@{service.}db.secrets.user.password}"
 	}
 }
+```
 """