Update models_tokens.py with ollama/nomic-embed-text

Author: darvat

scrapegraphai/helpers/models_tokens.py

@@ -35,7 +35,8 @@
         "codellama": 16000,
         "dolphin-mixtral": 32000,
         "mistral-openorca": 32000,
-        "stablelm-zephyr": 8192
+        "stablelm-zephyr": 8192,
+        "nomic-embed-text":8192
     },
     "groq": {
         "llama3-8b-8192": 8192,