add documentation

documentation/controllers/controllers.py

@@ -0,0 +1,21 @@
+from odoo import http
+from odoo.addons.base import controllers
+from odoo.tools import config
+from werkzeug.exceptions import NotFound
+from odoo.http import request
+import os
+class Documentation(http.Controller):
+
+    @http.route('/documentation', auth='public', cache=3600)
+    def serve_static_html(self):
+        # Get absolute path to your HTML file
+        module = '/root/dev/NextERP/dev/odoo18/Odoo18/exercise/documentation'
+        resource_path = 'static/html/18.0/index.html'
+        file_path = os.path.join(module, resource_path)
+        
+        with open(file_path, 'r') as f:
+            content = f.read()
+            
+        return request.make_response(content, [
+            ('Content-Type', 'text/html'),
+        ])