liblogoschat.so now embeds liblibchat.a directly. Library paths moved
out of nimble tasks into Makefile / Nix, and librln renamed to librlnDrv
for consistency.
* fix: mac build
- fix error: `error: darwin.apple_sdk_11_0 has been removed as it was a legacy compatibility stub`
- fix librln hash
- bumped nim-ffi
* fix: typo