feat(project_management): Add model Project to migrate for history and notes

ref: #824 closes #829

app/core/signal/centurion_model_migrate.py

@@ -178,6 +178,12 @@ def centurion_model_migrate(sender, **kwargs):
             'model_name': 'Service',
             'history_model_name': 'ServiceHistory',
             'notes_model_name': 'ServiceNotes'
+        },
+        {
+            'app_label': 'project_management',
+            'model_name': 'Project',
+            'history_model_name': 'ProjectHistory',
+            'notes_model_name': 'ProjectNotes'
         }
     ]
 

docs/projects/centurion_erp/user/core/markdown.md

@@ -94,7 +94,7 @@ A Model link is a reference to an item within the database. Supported model link
 | operatingsystemversion| `$operating_system_version-<id>` |
 | organization| `$organization-<id>` |
 | port| `$port-<id>` |
-| project| `$-<id>` |
+| project| `$project-<id>` |
 | projectmilestone| `$-<id>` |
 | projectstate| `$project_state-<id>` |
 | projecttask| `$-<id>` |