switched to roles

- all tasks/* have been moved to their own roles in roles/*
- each file && template is now oragnized per-role
- annotated each task which still isn't idempotent !TODO!

roles/nginx/files/nginx.conf

@@ -0,0 +1,52 @@
+user www-data;
+worker_processes auto;
+include /etc/nginx/modules-enabled/*.conf;
+pid /run/nginx.pid;
+
+events {
+    worker_connections 768;
+}
+
+http {
+
+    ##
+    # Basic Settings
+    ##
+
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_max_size 2048;
+
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    ##
+    # SSL Settings
+    ##
+
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE
+    ssl_prefer_server_ciphers on;
+
+    ##
+    # Logging Settings
+    ##
+
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
+
+    ##
+    # Gzip Settings
+    ##
+
+    gzip on;
+    gzip_disable "msie6";
+
+    ##
+    # Virtual Host Configs
+    ##
+
+    include /etc/nginx/conf.d/*.conf;
+    include /etc/nginx/sites-enabled/*;
+}