Update sponsor page to be two-column

templates/sponsors/sponsors.html

@@ -23,14 +23,8 @@ <h2>Sponsors</h2>
 {% endmacro %}
 
 <div
-  class="col-xs-10 col-xs-offset-1 col-sm-8 col-sm-offset-2 col-md-6 col-md-offset-3"
+  class="col-xs-6 col-sm-5 col-sm-offset-1"
 >
-
-  <h3>Badge</h3>
-  {{ sponsor("https://www.bosch.co.uk/", "bosch.png", "Bosch") }}
-  {{ sponsor("https://www.espressif.com/", "espressif-logo.svg", "Espressif") }}
-  {{ sponsor("https://www.ti.com/", "texasinstruments.svg", "Texas Instruments") }}
-
   <h3>Gold</h3>
   {{ sponsor("https://www.and.digital/", "ANDDigital.svg", "AND Digital") }}
 
@@ -47,13 +41,24 @@ <h3>Bronze</h3>
   {{ sponsor("https://feng-ltd.com/", "FEng.svg", "Fieldhouse Engineering") }}
   {{ sponsor("https://www.infobip.com/developers", "infobip.png", "Infobip") }}
   {{ sponsor("https://octopus.energy/", "octopus-stacked.png", "Octopus Energy") }}
-  {{ sponsor("https://pimoroni.com/", "pimoroni.svg", "Pimoroni") }}
   {{ sponsor("https://www.softwire.com/", "softwire-blue.svg", "Softwire") }}
 
   <h3>Copper</h3>
   {{ sponsor("https://connectedthings.store/", "connectedthings.svg", "Connected Things") }}
   {{ sponsor("https://hookdeck.com/", "hookdeck-logo-color.svg", "Hookdeck") }}
+
+</div>
+<div
+  class="col-xs-6 col-sm-5"
+>
+  <h3>Badge</h3>
+  {{ sponsor("https://www.bosch.co.uk/", "bosch.png", "Bosch") }}
+  {{ sponsor("https://www.espressif.com/", "espressif-logo.svg", "Espressif") }}
+  {{ sponsor("https://www.ti.com/", "texasinstruments.svg", "Texas Instruments") }}
+
+  <h3>Arcade</h3>
   {{ sponsor("https://lightburnsoftware.com/", "lightburn.svg", "Lightburn") }}
+  {{ sponsor("https://pimoroni.com/", "pimoroni.svg", "Pimoroni") }}
   {{ sponsor("https://smokeandmirrors.store/", "smokeandmirrors.svg", "Smoke & Mirrors") }}
 
 </div>