setup build

.gitignore

 dist/
 node_modules/
 .parcel-cache/
+build/
\ No newline at end of file

package.json

 {
   "name": "HochzeitChristiane",
   "version": "1.0.0",
-  "main": "src/index.html",
+  "main": "build/node/index.html",
   "license": "MIT",
   "dependencies": {
     "basiclightbox": "^5.0.4",
@@ -13,5 +13,13 @@
   },
   "devDependencies": {
     "@parcel/transformer-sass": "2.0.0-beta.2"
+  },
+  "app": "build/browser/index.html",
+  "targets": {
+    "app": {
+      "engines": {
+        "browsers": "> 10%"
+      }
+    },
   }
 }