First take on a rag tool

tests/adapters/lancedb_adapter_test.py

@@ -0,0 +1,22 @@
+from crewai_tools.adapters.lancedb_adapter import LanceDBAdapter
+
+
+def test_lancedb_adapter(helpers):
+    adapter = LanceDBAdapter(
+        uri="tests/data/lancedb",
+        table_name="requirements",
+        embedding_function=helpers.get_embedding_function(),
+        top_k=2,
+        vector_column_name="vector",
+        text_column_name="text",
+    )
+
+    assert (
+        adapter.query("What are the requirements for the task?")
+        == """Technical requirements
+
+The system should be able to process 1000 transactions per second. The code must be written in Ruby.
+Problem
+
+Currently, we are not able to find out palindromes in a given string. We need a solution to this problem."""
+    )