feat: 初始版本，圆角主题与首次管理员引导

app/templates/posts/detail.html

@@ -0,0 +1,26 @@
+{% extends 'base.html' %}
+{% block title %}作品详情{% endblock %}
+{% block content %}
+<div class="card mb-3">
+  <div class="p-3">
+    <h3 class="mb-2">{{ post.title }}</h3>
+    <p class="text-secondary">{{ post.description }}</p>
+    <span class="badge bg-light text-dark">{{ post.visibility.value }}</span>
+  </div>
+  <div class="p-3">
+    <div class="row">
+      {% for img in post.images %}
+      <div class="col-md-4 mb-2">
+        <img src="{{ url_for('main.uploads', filename=img.web_path.split('uploads\\')[-1]) }}" class="photo-thumb" />
+      </div>
+      {% endfor %}
+    </div>
+  </div>
+</div>
+<hr>
+<form class="card p-3" method="post" action="{{ url_for('comments.create', post_id=post.id) }}">
+  <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
+  <div class="mb-3"><textarea class="form-control" name="body" placeholder="发表评论"></textarea></div>
+  <button class="btn btn-brand" type="submit">评论</button>
+</form>
+{% endblock %}