Feat: first implementation of postgres db for backend

front/MyINPulse-front/src/components/temp-modal.vue

@@ -0,0 +1,18 @@
+<script setup lang="ts">
+import { addNewMessage } from "@/services/popupDisplayer.ts";
+</script>
+
+<template>
+    <button
+        @click="
+            addNewMessage(
+                'new error from another view',
+                Math.floor(Math.random() * 4)
+            )
+        "
+    >
+        Add an error
+    </button>
+</template>
+
+<style scoped></style>