the big mega huge amazing nextjs migration

Code still trash though but we'll fix it someday

Closes #48, #47, #37, #32

package.json

@@ -1,40 +1,37 @@
 {
   "name": "uiogaming.no",
+  "version": "1.0.0",
   "private": true,
   "description": "UiO Gaming Website",
-  "version": "0.2.0",
   "author": "Leander Furumo <leander@furumo.eu>",
+  "scripts": {
+    "dev": "next dev --turbopack",
+    "build": "next build",
+    "start": "next start -p 9000",
+    "lint": "next lint",
+    "format": "prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\""
+  },
   "dependencies": {
-    "@sanity/block-content-to-react": "^3.0.0",
-    "country-flag-icons": "^1.5.13",
-    "gatsby": "^5.14.0",
-    "gatsby-plugin-image": "^3.14.0",
-    "gatsby-plugin-manifest": "^5.14.0",
-    "gatsby-plugin-react-helmet": "^6.14.0",
-    "gatsby-plugin-sharp": "^5.14.0",
-    "gatsby-source-filesystem": "^5.14.0",
-    "gatsby-source-sanity": "^7.9.1",
-    "gatsby-transformer-sharp": "^5.14.0",
-    "path": "^0.12.7",
-    "path-browserify": "^1.0.1",
-    "prop-types": "^15.8.1",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
-    "react-helmet": "^6.1.0",
-    "react-icons": "^5.3.0",
-    "react-pannellum": "^0.2.16"
+    "@portabletext/react": "^3.2.1",
+    "@sanity/client": "^7.8.1",
+    "@sanity/image-url": "^1.1.0",
+    "install": "^0.13.0",
+    "next": "15.4.4",
+    "npm": "^11.5.2",
+    "react": "19.1.0",
+    "react-dom": "19.1.0",
+    "react-icons": "^5.5.0",
+    "react-photo-sphere-viewer": "^6.2.3"
   },
   "devDependencies": {
-    "prettier": "3.3.3"
-  },
-  "scripts": {
-    "build": "gatsby build",
-    "develop": "gatsby develop",
-    "format": "prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\"",
-    "start": "npm run develop",
-    "serve": "gatsby serve",
-    "clean": "gatsby clean",
-    "test": "echo \"Write tests! -> https://gatsby.dev/unit-testing\" && exit 1"
+    "@eslint/eslintrc": "^3",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "15.4.4",
+    "prettier": "^3.6.2",
+    "typescript": "^5"
   },
   "repository": {
     "type": "git",