Halloween FMHY Theme (#4121)

* halloween thingers

* halloween thingers 2

* make halloween theme the preffered theme and change FMHY name gradient

* background change for halloween

* again

* make background change on home page too

* please let this work unc

* change colors on home page button

* let this work unc

* fix some more issues

* semi-final update (hopefully)

* uhhuh

* fixes for other themes besides halloween

* light mode fixes (PLEASE let this work)

* how did i not catch this omg

* light mode fixes

* add Halloween logo

* Update image source from test.png to hall.png

* add uwu logo

* Change image for uwu

docs/index.md

@@ -10,7 +10,7 @@ hero:
     title: Oct 2025 Updates 🎃
     link: /posts/oct-2025
   image:
-    src: /test.png
+    src: /hall.png
     alt: FMHY Icon
   actions:
     - theme: brand
@@ -169,13 +169,13 @@ onMounted(() => {
   const setKawaii = () => {
     const images = document.querySelectorAll('.VPImage.image-src')
     images.forEach((img) => {
-      img.src = '/logo-uwu.svg'
+      img.src = '/uwu-hall.png'
     })
   }
   const resetKawaii = () => {
     const images = document.querySelectorAll('.VPImage.image-src')
     images.forEach((img) => {
-      img.src = '/test.png'
+      img.src = '/hall.png'
     })
   }
   if (kawaii === 'true') {