Fix lighthouse warnings

Author: matt-fidd

public/assets/profilePlaceholder.jpg

@@ -1,6 +1,6 @@
 <header class='adminHeader'>
 	<i class='fa-solid fa-bars adminNav-toggle'></i>
 	<a href='/admin'>
-		<img src='/assets/logo-inline.svg' alt='Stratos logo image'/>
+		<img src='/assets/logo-inline.svg' alt='Stratos logo image' height=60 width=182 />
 	</a>
 </header>

views/partials/adminHeader.hbs

@@ -7,7 +7,7 @@
 	</div>
 	<div class='adminNav__profile'>
 		<div class='details'>
-			<img src='https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fpwco.com.sg%2Fwp-content%2Fuploads%2F2020%2F05%2FGeneric-Profile-Placeholder-v3.png&f=1&nofb=1' style='width: 50px;'/>
+			<img alt='Profile picture' src='/assets/profilePlaceholder.jpg' width=50 height=50 />
 			<span>Matthew Fiddaman</span>
 		</div>
 		<a class='logout' href='/logout'><i class='fa-solid fa-arrow-right-from-bracket'></i>Logout</a>

views/partials/adminNav.hbs

@@ -1,5 +1,5 @@
 <div class='feature'>
-	<img src='{{img}}' alt='{{alt}}'/>
+	<img src='{{img}}' alt='{{alt}}' height=195 width=377 />
 	<div class='feature__text'>
 		<h2 class='feature__title'>{{title}}</h2>
 		<p class='feature__content'>{{content}}</p>

views/partials/feature.hbs

@@ -1,6 +1,6 @@
 <nav class='mainNav'>
 	<a href='/'>
-		<img src='/assets/logo-inline.svg' alt='Stratos logo image'/>
+		<img src='/assets/logo-inline.svg' alt='Stratos logo image' height=60 width=182 />
 	</a>
 	<div class='mainNav__buttons'>
 		{{>button style='full' colour='primary' to='/login' content='Log In'}}