Add speakleash

SpeakLeash is the major LLM provider in Poland developing polish-english models. At https://huggingface.co./speakleash you can see many models on open license and leaderboards. Also, a paper has been published: https://huggingface.co./papers/2410.18565 Many works are in progress now.

curated_set.json

@@ -55,6 +55,7 @@
         "openchat",
         "refuelai",
         "rhymes-ai",
+        "speakleash",
         "stabilityai",
         "teknium",
         "tiiuae",