Update docs for Access member expression

docs/expression/access.md

@@ -0,0 +1,5 @@
+### Member Access Expression
+
+GitQL support Composite Type inspired by PostgreSQL, to access member of composite type 
+you should use `.` operator like in any programming language but with putting the composite value in `()` like 
+`(user).username` to make it different from table column `table.column`

docs/expression/index.md

@@ -3,4 +3,5 @@ GitQL Expressions
 - [Binary expressions](binary.md).
 - [Unary expressions](unary.md).
 - [Case expression](case.md).
-- [Array expression](array.md).
+- [Array expression](array.md).
+- [Access Member](access.md).

docs/structure/types.md

@@ -1,18 +1,19 @@
 The GQL has a basic type system with only four types to be used for safe functions call and expressions.
 
 ### Types information's
-| Name           | Description                                 |
-| -------------- | ------------------------------------------- |
-| Any            | Used to represent Any data type             |
-| Text           | Used to represent string literal            |
-| Integer        | Used to represent integers                  |
-| Float          | Used to represent floats                    |
-| Boolean        | Used to represent boolean value             |
-| Date           | Used to represent date                      |
-| Time           | Used to represent time                      |
-| DateTime       | Used to represent date & time               |
-| Array(type)    | Used to represent an array of type          |
-| Range(type)    | Used to represent a range of type           |
-| Variant(types) | Used to represent a variant of types        |
-| Optional(type) | Used to represent a optional type or none   |
-| Varargs(type)  | Used to represent a variable arguments type |
+| Name           | Description                                  |
+| -------------- | -------------------------------------------- |
+| Any            | Used to represent Any data type              |
+| Text           | Used to represent string literal             |
+| Integer        | Used to represent integers                   |
+| Float          | Used to represent floats                     |
+| Boolean        | Used to represent boolean value              |
+| Date           | Used to represent date                       |
+| Time           | Used to represent time                       |
+| DateTime       | Used to represent date & time                |
+| Array(type)    | Used to represent an array of type           |
+| Range(type)    | Used to represent a range of type            |
+| Variant(types) | Used to represent a variant of types         |
+| Optional(type) | Used to represent a optional type or none    |
+| Varargs(type)  | Used to represent a variable arguments type  |
+| Composite      | Used to represent a composite of other types |

mkdocs.yml

@@ -104,6 +104,7 @@ nav:
       - Unary: expression/unary.md
       - Binary: expression/binary.md
       - Case: expression/case.md
+      - Access Member: expression/access.md
     - STD Functions and Operators:
       - "functions/index.md"
       - Logical: functions/logical.md