Setup formatting

Author: filiptronicek

.prettierignore

@@ -0,0 +1,2 @@
+package.json
+LICENSE.md

.prettierrc.json

@@ -0,0 +1,6 @@
+{
+    "printWidth": 120,
+    "tabWidth": 4,
+    "endOfLine": "auto",
+    "trailingComma": "all"
+}

package.json

@@ -7,6 +7,7 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
+    "format": "prettier -w . --experimental-ternaries",
     "start": "yarn package && node dist/index.cjs",
     "package:client": "rimraf out/ && yarn build && mkdir -p out/ && cp -r index.html dist/ assets/ out/",
     "package:server": "ncc build -m server.cjs -o dist/ --target es2022 --source-map",
@@ -44,6 +45,7 @@
     "reconnecting-websocket": "^4.4.0"
   },
   "devDependencies": {
+    "prettier": "^3.3.3",
     "@open-wc/building-rollup": "^3.0.2",
     "@rollup/plugin-commonjs": "^26.0.1",
     "@rollup/plugin-terser": "^0.4.4",