Refactor config files for pagination and permalinks

Moved pagination settings to a separate pagination.yml file and updated permalinks.yml to enable custom post and page URLs. Cleaned up hugo.yml by removing inline pagination configuration.

config/_default/hugo.yml

@@ -4,8 +4,6 @@ theme: hugo-theme-stack
 title: miti99
 defaultContentLanguage: vi
 hasCJKLanguage: false
-pagination:
-  pagerSize: 5
 timeout: 3600s
 enableRobotsTXT: true
 timeZone: Asia/Ho_Chi_Minh

config/_default/pagination.yml

@@ -0,0 +1 @@
+pagerSize: 5

config/_default/permalinks.yml

@@ -1,2 +1,2 @@
-#post: /p/:slug/
-#page: /:slug/
+post: /post/:slug/
+page: /:slug/