tickets: enable page, add to navbar, adjust prices for Polish VAT

- Add /tickets to enabledPages whitelist
- Add Tickets to Attend nav section (header + footer quick links)
- Reduce personal/education prices by 2% to account for 23% Polish VAT

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: clytaemnestra

src/components/ticket-tiers/ticket-tiers.astro

@@ -24,8 +24,8 @@ interface TicketTierProps {
 const tiers: TicketTierProps[] = [
   {
     title: "Tutorial Only",
-    educationPrice: 100,
-    personalPrice: 200,
+    educationPrice: 98,
+    personalPrice: 196,
     businessPrice: 400,
     features: [
       {
@@ -59,10 +59,10 @@ const tiers: TicketTierProps[] = [
   },
   {
     title: "Conference Only",
-    educationPrice: 135,
-    personalPrice: 300,
+    educationPrice: 132,
+    personalPrice: 294,
     businessPrice: 500,
-    latePersonalPrice: 450,
+    latePersonalPrice: 441,
     lateBusinessPrice: 750,
     features: [
       {
@@ -90,10 +90,10 @@ const tiers: TicketTierProps[] = [
   },
   {
     title: "Combined",
-    educationPrice: 210,
-    personalPrice: 450,
+    educationPrice: 206,
+    personalPrice: 441,
     businessPrice: 800,
-    latePersonalPrice: 675,
+    latePersonalPrice: 662,
     lateBusinessPrice: 1200,
     features: [
       {
@@ -124,7 +124,7 @@ const tiers: TicketTierProps[] = [
 
   {
   title: "Remote",
-  personalPrice: 80,
+  personalPrice: 78,
   businessPrice: 150,
   subtitle: "Conference days only",
   features: [

src/data/enabledPages.json

@@ -20,7 +20,8 @@
     "/krakow",
     "/about",
     "/sponsorship/sponsor",
-    "/sponsorship/information"
+    "/sponsorship/information",
+    "/tickets"
   ],
   "navItems": ["Programme", "Venue", "About"]
 }

src/data/links.json

@@ -50,6 +50,10 @@
     {
       "name": "Attend",
       "items": [
+        {
+          "name": "Tickets",
+          "path": "/tickets"
+        },
         {
           "name": "Code of Conduct",
           "path": "https://www.europython-society.org/coc/"
@@ -78,6 +82,10 @@
     {
       "name": "Quick links",
       "items": [
+        {
+          "name": "Tickets",
+          "path": "/tickets"
+        },
         {
           "name": "Kraków",
           "path": "/krakow"