fix menu memory, return memo button & add favicon

resources/js/views/Memo/MemoCreate.vue

@@ -1,9 +1,7 @@
 <template>
     <div class="memo-edit p-2">
         <div class="flex-between mb-1">
-            <a href="#" @click="$router.back()" class="link">
-                < Back
-            </a>
+            <router-link to="/memos/" class="btn">< Back</router-link>
             <button @click="$router.back()" class="btn-alert mr-1">Cancel</button>
         </div>
         <form @submit.prevent="submitForm">

resources/js/views/Memo/MemoEdit.vue

@@ -1,9 +1,7 @@
 <template>
     <div class="memo-edit p-2">
         <div class="flex-between mb-1">
-            <a href="#" @click="$router.back()" class="link">
-                < Back
-            </a>
+            <router-link :to="'/memos/' + this.$route.params.id" class="btn">< Back</router-link>
             <button class="btn-alert mr-1">Cancel</button>
         </div>
         <form @submit.prevent="submitForm">

resources/js/views/Memo/MemoIndex.vue

@@ -1,9 +1,7 @@
 <template>
     <div class="p-2">
         <div class="flex-between flex-center mb-1">
-            <a href="#" @click="$router.back()">
-                < Back
-            </a>
+            <a href="#" class="btn" @click="$router.back()">< Back</a>
             <router-link :to="'/memos/create'" class="btn-primary">Add New Memo</router-link>
         </div>
         <div v-if="loading">> Loading...</div>

resources/js/views/Memo/MemoShow.vue

@@ -3,7 +3,7 @@
         <div v-if="loading" >> Loading...</div>
         <div v-else>
             <div class="flex-between flex-center mb-1">
-                <a href="#" class="link" @click="$router.back()">< Back</a>
+                <router-link to="/memos/" class="btn">< Back</router-link>
                 <div class="relative">
                     <router-link :to="'/memos/' + memo.memo_id + '/edit'" class="btn-secondary mr-1" >Edit</router-link>
                     <a href="#" class="btn-alert" @click="modal = ! modal">Delete</a>