fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

fix: use published_at instead of created_at for release sorting

When multiple releases are created in bulk, they have identical created_at
timestamps, causing unstable sort order that may delete newer releases
instead of older ones. Use published_at which reflects the actual release
publication order.

Update logo in README with a smaller version

Update logo in README with a smaller version

Update logo in README with a smaller version