Implement PSR3 and PHP Monolog (#19)

* feat: install monolog composer lib
* feat: implement psr3 and monolog
* feat: display logs in frontend
* fix: tests
* build: update cicd to run tests for PR
* build: add phpcs to cicd
* refactor: fix phpcs problems

frontend/admin/src/components/LogsViewer.vue

@@ -0,0 +1,18 @@
+<template>
+  <textarea v-text="rows" rows="40" class="tw:w-full"/>
+</template>
+
+<script setup>
+import {onMounted, ref} from "vue";
+import {apiGet} from "@/utils/http.js";
+
+const rows = ref('');
+onMounted(async () => {
+  const response = await apiGet('getLogs');
+  rows.value = response.data;
+});
+</script>
+
+<style scoped>
+
+</style>