refactor: Remove background of maintenance image

Author: Laennart

roles/common/files/maintenance-info.html

@@ -33,7 +33,7 @@
     <div class="container">
         <h1>Firewall Orchestrator is under maintenance</h1>
         <p>Sorry for the inconvenience. Please try again in 10 minutes.</p>
-        <img src="men-at-work.jpg" alt="Maintenance Image" width="600px">
+        <img src="men-at-work.png" alt="Maintenance Image" width="600px">
     </div>
 </body>
 </html>

roles/common/files/men-at-work.jpg

@@ -16,8 +16,8 @@
 
   - name: copy maintenance web site image
     copy:
-      src: men-at-work.jpg
-      dest: "/var/www/html/men-at-work.jpg"
+      src: men-at-work.png
+      dest: "/var/www/html/men-at-work.png"
       mode: "0644"
 
   - name: enable apache2 required modules

roles/common/files/men-at-work.png

@@ -7,7 +7,7 @@
     RewriteEngine On
     RewriteCond %{HTTP_HOST} ^(.*)$
     RewriteCond %{REQUEST_URI} !^/$
-    RewriteCond %{REQUEST_URI} !^/men-at-work.jpg$
+    RewriteCond %{REQUEST_URI} !^/men-at-work.png$
     RewriteRule ^(.*)$ / [R=301,L]
 
 	ErrorLog /var/log/{{ webserver_package_name }}/error.log
@@ -33,7 +33,7 @@
     RewriteEngine On
     RewriteCond %{HTTP_HOST} ^(.*)$
     RewriteCond %{REQUEST_URI} !^/$
-    RewriteCond %{REQUEST_URI} !^/men-at-work.jpg$
+    RewriteCond %{REQUEST_URI} !^/men-at-work.png$
     RewriteRule ^(.*)$ / [R=301,L]
 
     # --- Security Headers ---