add of a navBar and update of README.md

src/styles/Projects.css

@@ -1,3 +1,9 @@
+#projects-section{
+    display: flex;
+    flex-direction: column;
+    scroll-margin-top: 40px;
+}
+
 .show-more-container {
     text-align: center;
     margin-top: 2rem;