feat(content): May Subscriber Items

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

@@ -304,6 +304,12 @@ let back = {
     mystery: '201804',
     value: 0,
   },
+  201805: {
+    text: t('backMystery201805Text'),
+    notes: t('backMystery201805Notes'),
+    mystery: '201805',
+    value: 0,
+  },
 };
 
 let body = {
@@ -571,6 +577,12 @@ let head = {
     mystery: '201803',
     value: 0,
   },
+  201805: {
+    text: t('headMystery201805Text'),
+    notes: t('headMystery201805Notes'),
+    mystery: '201805',
+    value: 0,
+  },
   301404: {
     text: t('headMystery301404Text'),
     notes: t('headMystery301404Notes'),

website/common/script/content/mystery-sets.js

@@ -206,6 +206,10 @@ let mysterySets = {
     start: '2018-04-24',
     end: '2018-05-02',
   },
+  201805: {
+    start: '2018-05-24',
+    end: '2018-06-02',
+  },
   301404: {
     start: '3014-03-24',
     end: '3014-04-02',