added basic skeleton for text summarizer

Author: Chloe White

text_sum/text_summarizer.py

@@ -0,0 +1,7 @@
+def main():
+    print("Welcome to the Text Summarizer App")
+    text = input("Enter your text to summarize: ")
+    print("Processing text (placeholder)")
+
+if __name__ == "__main__":
+    main()