Add flags and random-grid to the home page

Author: fildon

src/index.html

@@ -106,6 +106,24 @@ <h3>
 					repetition method.
 				</p>
 			</article>
+			<article>
+				<header>
+					<h3>
+						<a id="flags" href="./flags">Flags</a>
+						<a class="hash-link" href="#flags">#</a>
+					</h3>
+				</header>
+				<p>A minimal interactive demonstration of semaphore flags.</p>
+			</article>
+			<article>
+				<header>
+					<h3>
+						<a id="random-grid" href="./random-grid">Random Grid</a>
+						<a class="hash-link" href="#random-grid">#</a>
+					</h3>
+				</header>
+				<p>Using only 2 by 1 tiles, randomly tiles a grid.</p>
+			</article>
 			<article>
 				<header>
 					<h3>