May 2025 Content Build (#15422)

* chore: May 2025 subscriber gear, background, and armoire gear

* chore: May 2025 pet and hatching potion quests, stylesheet update

* fix: add space to pet quest rage description

* Update backgrounds.json

fix(typo): missing fullstop

---------

Co-authored-by: Kalista Payne <sabrecat@gmail.com>

website/common/script/content/gear/sets/armoire.js

@@ -524,6 +524,10 @@ const armor = {
     str: 12,
     set: 'sillierTuxedoSet',
   },
+  gildedKnightsPlate: {
+    per: 11,
+    set: 'gildedKnightSet',
+  },
 };
 
 const body = {
@@ -1072,6 +1076,10 @@ const head = {
     con: 6,
     set: 'sillierTuxedoSet',
   },
+  gildedKnightsHelm: {
+    con: 11,
+    set: 'gildedKnightSet',
+  },
 };
 
 const shield = {
@@ -1943,6 +1951,10 @@ const weapon = {
     str: 11,
     set: 'stormKnightSet',
   },
+  gildedKnightsSpear: {
+    str: 11,
+    set: 'gildedKnightSet',
+  },
 };
 
 const releaseDay = 7;