fix: about as index

_tabs/about.md

@@ -1,7 +1,7 @@
 ---
 # the default layout is 'page'
 icon: fas fa-info-circle
-order: 4
+order: 0
 ---
 
 # Sungchan Yi

_tabs/archives.md

@@ -1,5 +1,5 @@
 ---
 layout: archives
 icon: fas fa-archive
-order: 3
+order: 4
 ---

_tabs/blog.md

@@ -0,0 +1,13 @@
+---
+title: Blog
+layout: home
+icon: fas fa-pencil
+order: 1
+# pagination:
+#   enabled: true
+#   per_page: 10
+#   collection: posts
+#   permalink: '/page/:num/'
+---
+
+This page serves as the site "Home" (posts listing). It is now a tab in the sidebar.

_tabs/categories.md

@@ -1,5 +1,5 @@
 ---
 layout: categories
 icon: fas fa-stream
-order: 1
+order: 2
 ---

_tabs/tags.md

@@ -1,5 +1,5 @@
 ---
 layout: tags
 icon: fas fa-tags
-order: 2
+order: 3
 ---