refactor: Adjust image_process import path, update sign route type to jsonrpc, and add a .gitignore file.

.gitignore

@@ -0,0 +1,22 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Odoo
+*.log
+.env
+.venv/
+venv/
+*.pot
+*.po~
+
+# VSCode
+.vscode/
+
+# PyCharm
+.idea/
+
+# OS
+.DS_Store
+Thumbs.db

controllers/main.py

@@ -6,14 +6,14 @@ from PIL import Image
 
 from odoo import http
 from odoo.http import request
-from odoo.tools import image_process
+from odoo.tools.image import image_process
 from odoo.addons.sign.controllers.main import Sign
 
 _logger = logging.getLogger(__name__)
 
 class SignController(Sign):
 
-    @http.route(['/sign/sign/<int:request_id>/<token>'], type='json', auth='public')
+    @http.route(['/sign/sign/<int:request_id>/<token>'], type='jsonrpc', auth='public')
     def sign_document(self, request_id, token, signature=None, items=None, **kwargs):
         if items:
             # Filter items that look like images (base64)