fix(site): remove canvas frame, invert logos, new footer text

The canvas had a 1px frame. The company logos are opaque white, so
invert them to match the dark tiles. Core fetches the Auth public key
(JWKS), so the To Be Played diagram now shows that arrow.

src/app/pages/about/about.component.html

@@ -73,7 +73,8 @@
       <div class="relative pl-14 pb-fluid-sm">
         @if (isFirstRoleAtCompany(i)) {
         <img src="{{entry.logo}}" alt="" aria-hidden="true"
-          class="absolute left-0 top-0 w-10 h-10 object-contain opacity-90 rounded-[10%] bg-logo-bg" />
+          class="absolute left-0 top-0 w-10 h-10 object-contain opacity-90 rounded-[10%] bg-logo-bg"
+          [class.invert]="entry.invertLogo" />
         <div class="font-semibold opacity-90 text-[clamp(0.9rem,2.2vw,1.05rem)] leading-10" data-testid="company">
           {{ (entry.key + '.COMPANY') | translate }}
         </div>