Migrate to SvelteKit and Vite

package.json

@@ -1,27 +1,25 @@
 {
-  "name": "matrix-kernel-filter-calculator",
-  "version": "0.0.1",
-  "private": true,
-  "scripts": {
-    "build": "rollup -c",
-    "dev": "rollup -c -w",
-    "start": "sirv public --no-clear",
-    "deploy": "gh-pages -d public",
-    "cypress:open": "cypress open"
-  },
-  "devDependencies": {
-    "@rollup/plugin-commonjs": "^17.0.0",
-    "@rollup/plugin-node-resolve": "^11.0.0",
-    "cypress": "^10.3.1",
-    "rollup": "^2.3.4",
-    "rollup-plugin-css-only": "^3.1.0",
-    "rollup-plugin-livereload": "^2.0.0",
-    "rollup-plugin-svelte": "^7.0.0",
-    "rollup-plugin-terser": "^7.0.0",
-    "svelte": "^3.49.0"
-  },
-  "dependencies": {
-    "sirv-cli": "^2.0.0",
-    "svelte-themer": "^0.5.5"
-  }
+	"name": "matrix-kernel-filter-calculator",
+	"version": "0.0.2",
+	"private": true,
+	"scripts": {
+		"dev": "vite",
+		"build": "vite build",
+		"preview": "vite preview",
+		"format": "prettier --plugin prettier-plugin-svelte --write .",
+		"cypress:open": "cypress open"
+	},
+	"devDependencies": {
+		"@sveltejs/adapter-auto": "^2.0.0",
+		"@sveltejs/kit": "^1.20.4",
+		"cypress": "^10.3.1",
+		"prettier": "3.0.1",
+		"prettier-plugin-svelte": "^3.0.3",
+		"svelte": "^4.0.5",
+		"vite": "^4.4.2"
+	},
+	"dependencies": {
+		"svelte-themer": "^0.5.5"
+	},
+	"type": "module"
 }