feat: add edgecache role

- add edge-caching role
- add mirror for debian, almalinux and epel repositories
- export service as edgecache in consul

site/profiles/manifests/edgecache/params.pp

@@ -0,0 +1,13 @@
+# profiles::edgecache::params
+class profiles::edgecache::params (
+  Stdlib::Absolutepath  $data_root = '/data/edgecache',
+  Stdlib::Fqdn $nginx_vhost = $facts['networking']['fqdn'],
+  Array[Stdlib::Host] $nginx_aliases = [],
+  Stdlib::Port $nginx_port = 80,
+  Stdlib::Port $nginx_ssl_port = 443,
+  Enum['http','https','both'] $nginx_listen_mode = 'http',
+  Enum['puppet', 'vault']     $nginx_cert_type = 'vault',
+  Hash $directories = {},
+  Hash $mirrors = {},
+){
+}