add .env.example

package-lock.json

@@ -1668,7 +1668,6 @@
       "resolved": "https://registry.npmjs.org/astro/-/astro-5.16.3.tgz",
       "integrity": "sha512-KzDk41F9Dspf5fM/Ls4XZhV4/csjJcWBrlenbnp5V3NGwU1zEaJz/HIyrdKdf5yw+FgwCeD2+Yos1Xkx9gnI0A==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@astrojs/compiler": "^2.13.0",
         "@astrojs/internal-helpers": "0.7.5",
@@ -4316,7 +4315,6 @@
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.53.3.tgz",
       "integrity": "sha512-w8GmOxZfBmKknvdXU1sdM9NHcoQejwF/4mNgj2JuEEdRaHwwF12K7e9eXn1nLZ07ad+du76mkVsyeb2rKGllsA==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/estree": "1.0.8"
       },
@@ -5035,7 +5033,6 @@
       "resolved": "https://registry.npmjs.org/vite/-/vite-6.4.1.tgz",
       "integrity": "sha512-+Oxm7q9hDoLMyJOYfUYBuHQo+dkAloi33apOPP56pzj+vsdJDzr+j1NISE5pyaAuKL4A3UD34qd0lx5+kfKp2g==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.4.4",
@@ -5234,7 +5231,6 @@
       "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
       "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
       "license": "MIT",
-      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }