add multi-section support

exampleSite/config.toml

@@ -51,9 +51,15 @@ pre = "Theme <a href=\"https://cgit.leafee98.com/hugo-theme-flat.git\">hugo-them
 
 
 [[menus.main]]
-name = "Archives"
+name = "Posts"
 url = "/posts/"
 weight = 30
+
+[[menus.main]]
+name = "Essays"
+url = "/essays/"
+weight = 40
+
 [[menus.main]]
 pageref = "about"
 name = "About"

exampleSite/content/essays/What-Is-Hugo.md

@@ -0,0 +1,17 @@
+---
+title: "What Is Hugo"
+date: 2022-05-16T21:57:50+08:00
+tags: []
+categories: []
+draft: false
+---
+
+Hugo is a static site generator written in Go. Originally created by Steve Francia in 2013, Hugo has seen a great increase in both features and performance thanks to current lead developer Bjørn Erik Pedersen (since v0.14 in 2015[4]) and other contributors. Hugo is an open source project licensed under the Apache License 2.0.[5]
+
+<!--more-->
+
+Being able to generate most websites within seconds (at < 1 ms per page), Hugo's official website states it is "the world’s fastest framework for building websites". In July 2015, Netlify began providing Hugo hosting,[6] and in 2017, Smashing Magazine completed its redesign of their website, migrating from WordPress to a JAMstack solution with Hugo.[7]
+
+> Source: https://en.wikipedia.org/wiki/Hugo_(software)
+>
+> License: [CC-BY-SA 3.0](https://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License)

exampleSite/content/essays/_index.md

@@ -0,0 +1,10 @@
+---
+title: "Essays"
+date: 2022-05-18T11:19:08+08:00
+tags: []
+categories: []
+weight: 70
+draft: false
+---
+
+<!--more-->

exampleSite/content/posts/_index.md

@@ -0,0 +1,10 @@
+---
+title: "Posts"
+date: 2022-05-18T11:22:44+08:00
+tags: []
+categories: []
+weight: 30
+draft: false
+---
+
+<!--more-->

layouts/_default/baseof.html

@@ -12,7 +12,9 @@
                 {{ block "main" . }}{{ end }}
             </div>
             <div class="side">
-                {{ partial "side-recent.html" . }}
+                {{ range .Site.Sections }}
+                    {{ partial "side-recent.html" . }}
+                {{ end }}
                 {{ partial "side-categories.html" . }}
                 {{ partial "side-tags.html" . }}
             </div>

layouts/partials/side-recent.html

@@ -1,9 +1,9 @@
 <div class="side-recent">
-    <h2 class="side-title">Recent Posts</h2>
+    <h2 class="side-title">Recent {{ .Section | humanize }}</h2>
     <hr />
 
     <ul>
-        {{ range first 5 (where .Site.RegularPages ".Type" "in" .Site.Params.MainSections).ByDate.Reverse }}
+        {{ range first 5 .RegularPages.ByDate.Reverse }}
             <li>
                 <a href="{{ .RelPermalink }}">{{ .Title }}</a>
             </li>