added prettier

yarn.lock

@@ -3553,6 +3553,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"prettier@npm:^3.3.3":
+  version: 3.3.3
+  resolution: "prettier@npm:3.3.3"
+  bin:
+    prettier: bin/prettier.cjs
+  checksum: 10c0/b85828b08e7505716324e4245549b9205c0cacb25342a030ba8885aba2039a115dbcf75a0b7ca3b37bc9d101ee61fab8113fc69ca3359f2a226f1ecc07ad2e26
+  languageName: node
+  linkType: hard
+
 "proc-log@npm:^4.1.0, proc-log@npm:^4.2.0":
   version: 4.2.0
   resolution: "proc-log@npm:4.2.0"
@@ -4580,6 +4589,7 @@ __metadata:
     eslint-plugin-promise: "npm:^6.4.0"
     eslint-plugin-vue: "npm:^9.27.0"
     pinia: "npm:^2.1.7"
+    prettier: "npm:^3.3.3"
     roboto-fontface: "npm:*"
     sass: "npm:1.77.6"
     typescript: "npm:^5.4.2"