pinwheel/backwards: Share reading-material through syncthing

hosts/backwards/modules/syncthing/default.nix

@@ -90,6 +90,7 @@ in
             devices = [
               "phone"
               "tablet"
+              "pinwheel"
             ];
             versioning = {
               type = "staggered";

hosts/pinwheel/modules/syncthing/default.nix

@@ -66,6 +66,17 @@
           };
         };
 
+        "reading-material" = {
+          path = "/home/alex/sync/reading-material";
+          devices = [ "backwards" ];
+          versioning = {
+            type = "staggered";
+            params = {
+              maxAge = "2592000"; # 30 days
+            };
+          };
+        };
+
         "phone-gps" = {
           path = "/home/alex/sync/phone-gps";
           devices = [ "phone" ];