added space before / in self closing img tags

Author: shivam8112005

docs/index.html

@@ -426,7 +426,7 @@ <h2>Images Attribution</h2>
       <li>
         <article>
           <figure>
-            <img src="PATH/TO/image.png"/>
+            <img src="PATH/TO/image.png" />
             <span class="attribution">attribution here</span>
           </figure>
         </article>

specimen/contexts/home-index.html

@@ -112,7 +112,7 @@ <h2>The nonprofit behind the licenses and tools the world uses to share</h2>
     <ul>
         <li>
             <figure>
-                <img src="imgs/home.jpg"/>
+                <img src="imgs/home.jpg" />
                 <figcaption>
                     "<a href="https://www.loc.gov/pictures/item/2017786790/">Farmer and his brother making music</a>" by 
                     <a href="https://www.loc.gov/pictures/related/?fi=name&q=Lee%2C%20Russell%2C%201903-1986">Russell Lee</a>,