Add contact page/includes and refine header action/logo styling

_footer.php

@@ -0,0 +1,31 @@
+<footer>Bubulescu.Org</footer>
+<script>
+(function(){
+  const btn=document.getElementById('push-toggle');
+  if(!btn || !('serviceWorker' in navigator) || !('PushManager' in window) || !('Notification' in window)) return;
+  function b64uToUint8Array(s){ const pad='='.repeat((4-s.length%4)%4); const b64=(s+pad).replace(/-/g,'+').replace(/_/g,'/'); const raw=atob(b64); return Uint8Array.from([...raw].map(c=>c.charCodeAt(0))); }
+  async function state(reg){ const sub=await reg.pushManager.getSubscription(); btn.classList.toggle('active', !!sub); btn.title=sub?'Notifications on':'Notifications'; btn.hidden=false; return sub; }
+  navigator.serviceWorker.register('sw.js').then(async reg=>{
+    const cfg=await fetch('push_config.php',{cache:'no-store'}).then(r=>r.json()).catch(()=>({enabled:false}));
+    if(!cfg.enabled || !cfg.publicKey) return;
+    await state(reg);
+    btn.addEventListener('click', async ()=>{
+      btn.disabled=true;
+      try{
+        let sub=await reg.pushManager.getSubscription();
+        if(sub){
+          return;
+        }else{
+          const perm=await Notification.requestPermission();
+          if(perm!=='granted') return;
+          sub=await reg.pushManager.subscribe({userVisibleOnly:true,applicationServerKey:b64uToUint8Array(cfg.publicKey)});
+          await fetch('push_subscribe.php',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(sub)});
+        }
+        await state(reg);
+      }catch(e){ alert(e.message || 'Could not update notifications'); }
+      finally{ await state(reg); }
+    });
+  });
+})();
+</script>
+<script src="js/map_lightbox.js?v=20260531b" defer></script>