Add basic auth to searx

roles/searx/templates/upstream.json.j2

@@ -26,6 +26,21 @@
     ],
 {% endif %}
     "handle": [
+{% if searx_authentication is not undefined and not none %}
+        {
+            "handler": "authentication",
+            "providers": { 
+                "http_basic": {
+                    "accounts": [
+                        {
+                            "username": "{{ searx_authentication.username }}",
+                            "password": "{{ searx_authentication.password }}"
+                        }
+                    ]
+                }
+            }
+        },
+{% endif %}
         {
             "handler": "reverse_proxy",
             "upstreams": [