feat: update about and add more posts

Author: PSDat123

_data/authors.yml

@@ -1,4 +1,8 @@
 Dat2Phit:
   name: Phung Sieu Dat
   twitter: https://twitter.com/Dat2Phit
-  url: https://github.com/psdat123
+  url: https://github.com/psdat123
+
+blackpinker:
+  name: blackpinker
+  url: https://ctftime.org/team/155048

_posts/2023-02-22-HCMUS-CTF-Warm-up.md …sts/2023-02-22-HCMUS-CTF-2023-Warm-up.md_posts/2023-02-22-HCMUS-CTF-Warm-up.md renamed to _posts/2023-02-22-HCMUS-CTF-2023-Warm-up.md _posts/2023-02-22-HCMUS-CTF-Warm-up.md renamed to _posts/2023-02-22-HCMUS-CTF-2023-Warm-up.md

@@ -1,12 +1,12 @@
 ---
-title: HCMUS-CTF Warm-up 2023
+title: HCMUS-CTF 2023 Warm-up
 date: 2023-02-22 11:06 +0700
 tags: [ctf, web, forensics, misc]
 categories: [CTF Writeups]
 author: Dat2Phit
 ---
 
-Đây là một số writeups cho các challenges mà mình ra ở HCMUS-CTF Warm-up 2023.
+Đây là một số writeups cho các challenges mà mình ra ở HCMUS-CTF 2023 Warm-up.
 
 
 | Category | Challenge Name | Difficulty |