add prettier

package-lock.json

@@ -33,6 +33,7 @@
         "karma-coverage": "~2.2.0",
         "karma-jasmine": "~5.1.0",
         "karma-jasmine-html-reporter": "~2.1.0",
+        "prettier": "^3.5.2",
         "typescript": "~5.7.2",
         "typescript-eslint": "8.23.0"
       }
@@ -12938,6 +12939,22 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.2.tgz",
+      "integrity": "sha512-lc6npv5PH7hVqozBR7lkBNOGXV9vMwROAPlumdBkX0wTbbzPu/U1hk5yL8p2pt4Xoc+2mkT8t/sow2YrV/M5qg==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/proc-log": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/proc-log/-/proc-log-5.0.0.tgz",