Update project dependencies and configuration: add svelte-adapter-bun, modify package scripts to use bun, and enhance .dockerignore for build artifacts.

package.json

@@ -2,9 +2,9 @@
 	"name": "sesp-site",
 	"version": "0.0.1",
 	"scripts": {
-		"dev": "vite dev",
-		"build": "vite build && npm run prepack",
-		"preview": "vite preview",
+		"dev": "bunx --bun vite dev",
+		"build": "bunx --bun vite build && npm run prepack",
+		"preview": "bunx --bun vite preview",
 		"prepare": "svelte-kit sync || echo ''",
 		"prepack": "svelte-kit sync && svelte-package && publint",
 		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
@@ -50,6 +50,7 @@
 		"prettier-plugin-tailwindcss": "^0.7.2",
 		"publint": "^0.3.15",
 		"svelte": "^5.45.6",
+		"svelte-adapter-bun": "^1.0.1",
 		"svelte-check": "^4.3.4",
 		"tailwindcss": "^4.1.17",
 		"typescript": "^5.9.3",