Reorganize directory structures

Signed-off-by: Sean Du <do4suki@gmail.com>

static/templates/admin/nav/css.html

@@ -1,34 +0,0 @@
-{{ define "admin/nav/css.html" }}
-<link rel="stylesheet" href="/static/css/layui.css">
-
-<style>
-    .sif-title {
-        font-size: 1.3em;
-        color: aliceblue;
-    }
-
-    .layui-body {
-        padding-top: 30px;
-    }
-
-    .layui-header {
-        background-color: #e4007f !important;
-    }
-
-    .layui-side {
-        background-color: #e4007f;
-    }
-
-    .layui-nav {
-        background-color: #e4007f;
-    }
-
-    .layui-nav-tree .layui-nav-child dd.layui-this,
-    .layui-nav-tree .layui-nav-child dd.layui-this a,
-    .layui-nav-tree .layui-this,
-    .layui-nav-tree .layui-this>a,
-    .layui-nav-tree .layui-this>a:hover {
-        background-color: #ff6699 !important;
-    }
-</style>
-{{ end }}

static/templates/admin/nav/footer.html

@@ -1,5 +0,0 @@
-{{ define "admin/nav/footer.html" }}
-<div class="layui-footer">
-    Copyright © 2023 YumeMichi
-</div>
-{{ end }}

static/templates/admin/nav/header.html

@@ -1,23 +0,0 @@
-{{ define "admin/nav/header.html" }}
-<div class="layui-header">
-    <div class="layui-logo layui-hide-xs"><a href="/admin/index"><span class="sif-title">SIF
-                小助手</span></a></div>
-    <ul class="layui-nav layui-layout-left">
-        <li class="layui-nav-item layui-show-xs-inline-block layui-hide-sm" lay-header-event="menuLeft">
-            <i class="layui-icon layui-icon-spread-left"></i>
-        </li>
-    </ul>
-    <ul class="layui-nav layui-layout-right">
-        <li class="layui-nav-item layui-hide layui-show-md-inline-block">
-            <a href="javascript:;">
-                <img src="/static/images/admin/ic_launcher.png" class="layui-nav-img">
-                设置
-            </a>
-            <dl class="layui-nav-child">
-                <dd><a href="">个人信息</a></dd>
-                <dd><a href="/admin/logout">登出</a></dd>
-            </dl>
-        </li>
-    </ul>
-</div>
-{{ end }}

static/templates/admin/nav/side.html

@@ -1,17 +0,0 @@
-{{ define "admin/nav/side.html" }}
-<div class="layui-side">
-    <div class="layui-side-scroll">
-        <ul class="layui-nav layui-nav-tree" lay-filter="test">
-            <li class="layui-nav-item {{ if eq .menu 1 }} layui-nav-itemed {{ end }}">
-                <a class="" href="javascript:;">卡片管理</a>
-                <dl class="layui-nav-child">
-                    <dd {{ if eq .url "/admin/card" }} class="layui-this" {{ end }}><a href="/admin/card">卡片一览</a></dd>
-                    <dd {{ if eq .url "/admin/upload" }} class="layui-this" {{ end }}><a href="/admin/upload">卡片导入</a>
-                    </dd>
-                    </dd>
-                </dl>
-            </li>
-        </ul>
-    </div>
-</div>
-{{ end }}