start authelia config and change copyparty upload max size

hosts/sin/secrets.nix

@@ -15,5 +15,17 @@
       mode = "700";
       owner = "copyparty";
     };
+    authelia-jwt = {
+      file = ./secrets/authelia-jwt.age;
+      mode = "700";
+    };
+    authelia-encryption = {
+      file = ./secrets/authelia-encryption.age;
+      mode = "700";
+    };
+    authelia-session = {
+      file = ./secrets/authelia-session.age;
+      mode = "700";
+    };
   };
 }