Import friwall role from network ansible scripts

To reuse alpine and nginx roles. Probably going to merge repos at some point.

roles/friwall/files/friwall.ini

@@ -0,0 +1,16 @@
+[uwsgi]
+uid = friwall
+gid = friwall
+
+socket = /run/friwall.socket
+chown-socket = friwall:nginx
+chmod-socket = 660
+
+plugin = python3
+chdir = /srv/friwall/app
+mount = /=wsgi:app
+env = PYTHONUSERBASE=/srv/friwall/.local
+env = HOME=/srv/friwall
+
+# Microsoft OIDC endpoint sends some fat‐ass headers.
+buffer-size = 16384