Added missing Titan text embedding models

Author: JGalego

scrapegraphai/helpers/models_tokens.py

@@ -84,6 +84,9 @@
         "mistral.mistral-7b-instruct-v0:2": 32768,
         "mistral.mixtral-8x7b-instruct-v0:1": 32768,
         "mistral.mistral-large-2402-v1:0": 32768,
+		# Embedding models
+		"amazon.titan-embed-text-v1": 8000,
+		"amazon.titan-embed-text-v2:0": 8000,
         "cohere.embed-english-v3": 512,
         "cohere.embed-multilingual-v3": 512
     },