Updated README.txt and Homepage

Updated information in README and added the new 'add' links for the Homepage

README.txt

 Layla Mikel Villanueva, 216288, CSCI 40-F
-Lab 03: My Favorite Books and Authors
-March 28, 2023
+Lab 04: My Favorite Books and Authors v2
+April 25, 2023
 I have followed and complied with the instructions on the specifications and did the entire lab all by myself.
-<sgd> Layla Mikel Villanueva, March 28, 2023
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+<sgd> Layla Mikel Villanueva, April 25, 2023
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layvillanueva_reading/bookshelf/templates/home.html

@@ -15,5 +15,7 @@
 
 <a href="/books">Books</a>
 <a href="/authors">Authors</a>
+<a href="/books/add">Add Book</a>
+<a href="/authors/add">Add Author</a>
 {% endblock %}
     
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