SearXNG: Add more engines

roles/docker_services/templates/settings.yml.j2

@@ -55,6 +55,9 @@ engines:
   - name: bing
     disabled: false
 
+  - name: brave
+    disabled: false
+
   - name: yahoo
     disabled: false
 
@@ -68,6 +71,9 @@ engines:
     use_mobile_ui: true
     disabled: false
 
+  - name: startpage
+    disabled: false
+
   - name: wikidata
     disabled: true
 
@@ -75,7 +81,7 @@ engines:
     disabled: true
 
   - name: qwant
-    disabled: true
+    disabled: false
 
   - name: qwant images
     disabled: true