feat(ansible): Add nginx role handlers

ansible/webserver-automation/roles/nginx/handlers/main.yml

@@ -0,0 +1,17 @@
+---
+# Nginx handlers
+
+- name: restart nginx
+  service:
+    name: nginx
+    state: restarted
+
+- name: reload nginx
+  service:
+    name: nginx
+    state: reloaded
+
+- name: stop nginx
+  service:
+    name: nginx
+    state: stopped