add drone files

.drone.yml

@@ -32,6 +32,15 @@ steps:
       ssh_key:
         from_secret: ssh_key
       force: true
+  - name: github pages update 
+  image: plugins/downstream
+  settings:
+    server: https://drone.lp76.ru
+    token: 
+      from_secret: drone_token
+    fork: true
+    repositories:
+      - aleks/site
   - name: rebuild-cache
     image: meltwater/drone-cache:dev
     environment: