Add extra good reads

src/must-read/index.html

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+        <p>
+            I don't have lots of experience with OOP. In fact, I've never worked professionally with an OOP language. This can either be a blessing or a curse, but I like to think of it as a blessing (as of now, I don't see the advantages you get with regular classes prompting me to no longer use Go). However, I do find knowing OOP to be <em>interesting.</em> I think the book <a href="http://https://stroustrup.com/4th.html" target="_blank" rel="noopener noreferrer"> "Bjarne Stroustrup - The C++ Programming Language, 4th Edition-Addison-Wesley Professional (2013)"</a> is an useful read. Haven't finished it, but like it so far. Particularly, points of interest:
+        </p>
+
+        <ul>
+            <li>
+                It's possible to go around the privacy imposed by OOP, page 454
+            </li>
+            <li>
+                The keyword "explicit" when declaring a constructor has a different meaning than what I remembered. It's in fact now allowing it to be used in an implicit conversion. This is a whole other complicated topic in C++. Good practices with single-argument constructors, page 458
+            </li>
+        </ul>
+
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