add --interactive to the watchexec snippet

Author: passcod

src/index.html

@@ -38,6 +38,8 @@ <h1>
 			<span class="prompt">$&gt;</span>
 			<span class="command">watchexec</span>
 			<span class="wbr" aria-hidden="true">\<br></span
+			><span class="option">--interactive</span>
+			<span class="wbr" aria-hidden="true">\<br></span
 			><span class="string"
 				>"<span class="command">date</span>
 				<span class="sigil">&gt;&gt;</span>