Added README file.

README.txt

+Marcelo, Alliyah Ericka Therese E.
+213833
+2-BS CS
+CSCI 40-F
+
+Lab 03: My Favorite Books and Authors
+28/03/2023
+
+This Lab 03, which should help me create my own personal book library, 
+is created truthfully by myself, without the help of obtained
+another student's code or any outside sources.
+
+<sgd> Alliyah Ericka Therese E. Marcelo, 28/03/2023
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