chore: update adamperkowski username to koibtw (#1172)

hi so this is still me on the same account, just a new username

.github/CODEOWNERS

@@ -3,6 +3,6 @@
 
 # Nix stuff
 # We want the whole `nix` directory here in case we add custom tests/script later
-*.nix      @adamperkowski
-flake.lock @adamperkowski
-/nix/      @adamperkowski
+*.nix      @koibtw
+flake.lock @koibtw
+/nix/      @koibtw

.github/workflows/issue-slash-commands.yaml

@@ -67,7 +67,7 @@ jobs:
         id: check_user
         if: env.command == 'true'
         run: |
-          ALLOWED_USERS=("ChrisTitusTech" "afonsofrancof" "Marterich" "MyDrift-user" "Real-MullaC" "adamperkowski" "lj3954" "jeevithakannan2")
+          ALLOWED_USERS=("ChrisTitusTech" "afonsofrancof" "Marterich" "MyDrift-user" "Real-MullaC" "koibtw" "lj3954" "jeevithakannan2")
           if [[ " ${ALLOWED_USERS[@]} " =~ " ${{ github.event.comment.user.login }} " ]]; then
             echo "user=true" >> $GITHUB_ENV
           else

.github/workflows/nix.yml

@@ -58,5 +58,5 @@ jobs:
           author: 'github-actions[bot] <github-actions[bot]@users.noreply.github.com>'
           branch: 'chore/nix/flake-update'
           title: 'chore(nix): update flake inputs'
-          reviewers: adamperkowski
-          assignees: adamperkowski
+          reviewers: koibtw
+          assignees: koibtw

README.md

@@ -145,7 +145,7 @@ Thank you to everyone who has contributed to the development of Linutil. Your ef
 
 - 2024/07 - Original Linutil Rust TUI was developed by [@JustLinuxUser](https://github.com/JustLinuxUser).
 - 2024/09 - TabList (Left Column) and various Rust Core/TUI Improvements developed by [@lj3954](https://github.com/lj3954)
-- 2024/09 - Cargo Publish, AUR, Rust, and Bash additions done by [@adamperkowski](https://github.com/adamperkowski)
+- 2024/09 - Cargo Publish, AUR, Rust, and Bash additions done by [@koibtw](https://github.com/koibtw)
 - 2024/09 - Rust TUI Min/Max, MultiSelection, and Bash additions done by [@jeevithakannan2](https://github.com/jeevithakannan2)
 - 2024/09 - Various bash updates and standardization done by [@nnyyxxxx](https://github.com/nnyyxxxx)
 - 2024/09 - Multiple bash script additions done by [@guruswarupa](https://github.com/guruswarupa)