add exploration doctype

docs/ecolyo/project_architecture/doctypes.md

@@ -425,6 +425,24 @@ This doctype is used to store all quiz.
   }
 ```
 
+## Exploration
+
+### Description
+
+This doctype is used to store all explorations.
+
+### Doctype
+
+**`com.grandlyon.ecolyo.exploration`**
+
+### Structure
+
+| Field       | Type                 | Description                                                                                                      |
+| ----------- | -------------------- | ---------------------------------------------------------------------------------------------------------------- |
+| \_id        | string               | exploration id - respect the format _EXPLORATION00X_                                                             |
+| state       | UserExplorationState | State of the exploration<br><br>UserExplorationState enum<br>- _UNLOCKED = 0_<br>- _ONGOING = 1_<br>- _DONE = 2_ |
+| description | string               | description of the exploration                                                                                   |
+
 ## Duel
 
 ### Description