Add DynamoDb support

test_text_db.py

@@ -0,0 +1,15 @@
+from text_db import TextDb
+
+
+class TestTextDb:
+    def test_get_fact(self):
+        text_db_service = TextDb()
+        random_fact = text_db_service.get_fact()
+        assert random_fact is not None
+        assert random_fact != ""
+
+    def test_get_multiple_facts(self):
+        text_db_service = TextDb()
+        random_facts_list = text_db_service.get_multiple_facts()
+        assert random_facts_list is not None
+        assert len(random_facts_list) > 0