feat(content): prebuild Fall Festival (#14869)

* feat(content): prebuild Fall Festival

* fix(typos): because 2023 is not the same as 2024

* feat(css): having stylesheets is important

* feat(content): ready for review & testing

* fix(tests): account for Sept 09 bundle

* fix(gala): use multi event list more
fix a couple of strings too

* feat(content): Warrior and Rogue text
also fix timing of quest bundle feature

* fix(strings): correct stat boosts

* fix(content): missing mage
also adds missing margin to purchase gems button in buy modal

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Co-authored-by: SabreCat <sabe@habitica.com>

website/common/script/content/bundles.js

@@ -251,14 +251,15 @@ const bundles = {
   sandySidekicks: {
     key: 'sandySidekicks',
     text: t('sandySidekicksText'),
-    notes: t('sandySidekicksNotes', { date: moment('2020-10-31').format('LL') }),
+    notes: t('sandySidekicksNotes', { date: moment('2023-10-31').format('LL') }),
     bundleKeys: [
       'armadillo',
       'snake',
       'spider',
     ],
+    event: EVENTS.bundle202310,
     canBuy () {
-      return moment().isBetween('2020-10-13', '2020-11-02');
+      return moment().isBetween(EVENTS.bundle202310.start, EVENTS.bundle202310.end);
     },
     type: 'quests',
     value: 7,