docs: documented 'utils/symbol.h'

.wiki/Kernel-documentation.md

@@ -1223,3 +1223,17 @@ This string will be written into **_string_**.
 Converts the boolean in **_value_** to an alphanumeric string.
 The representation is `true` or `false`.
 This string will be written into **_string_**.
+
+### symbol.h
+#### `symbol_type_E` - enum
+  - **Function**
+  - **Variable**
+  - **Unknown**
+
+#### `symbol_T` - struct
+
+| Name    | Type          | Description                                                                         |
+|---------|---------------|-------------------------------------------------------------------------------------|
+| name    | string_t      | The name of the symbol (e.g. the name of the kernels entry symbol would be `_start` |
+| type    | symbol_type_E | The symbols type (elf types like `File` are of type `Unknown`)                      |
+| address | uint64_t      | The symbols address                                                                 |