update readme

README.md

@@ -8,22 +8,27 @@ Hack the box december [CTF](https://ctf.hackthebox.com/ctf/249)
   - [ ] Toy Workshop
   - [ ] Toy Management
   - [ ] GadgetSanta
+	- [ ] Elf Directory
 - Pwn
   - [ ] MrSnowy
   - [ ] Sleigh
   - [ ] NaughtyList
+	- [ ] Minimelfistic
 - Crypto
   - [X] CommonMistake
   - [X] XMASSpirit
   - [X] MissingRaindeer
+	- [ ] MeetMeHalfway
 - Reversing
   - [X] Infiltration
   - [ ] Gift Wrapping
   - [ ] Intercept
+	- [ ] Upgraded
 - Forensics
   - [X] babyAPT
   - [ ] Honeypot
   - [ ] Persist
+	- [X] Giveaway
 
 ## Writeups