Faalkaart fixes

https://basisbeveiliging.nl/report/NL/cyber_non_profit/1720

snippets/common-nginx.yaml

@@ -0,0 +1,18 @@
+---
+- name: Install nginx
+  apt:
+    name: nginx
+    state: present
+
+- name: Disable nginx server_tokens
+  lineinfile:
+    path: /etc/nginx/nginx.conf
+    line: "\tserver_tokens off;"
+    regexp: "server_tokens"
+  notify: reload nginx
+
+- name: Clear default nginx site
+  file:
+    state: absent
+    path: /etc/nginx/sites-enabled/default
+  notify: reload nginx