docs: initial structure for parser docs

Author: heitorlessa

docs/content/utilities/parser.mdx

@@ -48,6 +48,28 @@ You can also even use [a code generator tool](https://github.com/koxudaxi/datamo
 
 ## Parsing events
 
-You can parse inbound events using **parser** decorator.
+You can parse inbound events using **event_parser** decorator.
 
 You can also use the standalone **parse** function, if you want more control over data validation process such as handling data that doesn't conform with your model.
+
+**TBW**
+
+### event_parser decorator
+
+**TBW**
+
+### Parse function
+
+**TBW**
+
+## Built-in envelopes
+
+**TBW**
+
+## Extending built-in models
+
+**TBW**
+
+## Deep model validation
+
+**TBW**