feat(event): 10th Birthday Bash

with @CuriousMagpie and @phillipthelen

website/common/script/content/gear/sets/special/index.js

@@ -798,6 +798,12 @@ const armor = {
   winter2023Healer: {
     set: 'winter2023CardinalHealerSet',
   },
+  birthday2023: {
+    text: t('armorSpecialBirthday2023Text'),
+    notes: t('armorSpecialBirthday2023Notes'),
+    value: 0,
+    canOwn: ownsItem('armor_special_birthday2023'),
+  },
 };
 
 const armorStats = {
@@ -923,6 +929,12 @@ const back = {
     value: 0,
     canOwn: ownsItem('back_special_namingDay2020'),
   },
+  anniversary: {
+    text: t('backSpecialAnniversaryText'),
+    notes: t('backSpecialAnniversaryNotes'),
+    value: 0,
+    canOwn: ownsItem('back_special_anniversary'),
+  },
 };
 
 const body = {
@@ -992,6 +1004,12 @@ const body = {
     value: 0,
     canOwn: ownsItem('body_special_namingDay2018'),
   },
+  anniversary: {
+    text: t('bodySpecialAnniversaryText'),
+    notes: t('bodySpecialAnniversaryNotes'),
+    value: 0,
+    canOwn: ownsItem('body_special_anniversary'),
+  },
 };
 
 const eyewear = {
@@ -1140,6 +1158,12 @@ const eyewear = {
     value: 0,
     canOwn: ownsItem('eyewear_special_ks2019'),
   },
+  anniversary: {
+    text: t('eyewearSpecialAnniversaryText'),
+    notes: t('eyewearSpecialAnniversaryNotes'),
+    value: 0,
+    canOwn: ownsItem('eyewear_special_anniversary'),
+  },
 };
 
 const head = {