feat(zsh): modularize Zsh configuration with environment variables, aliases, functions, and plugins

- Create a new Zsh configuration structure under ~/.config/zsh
- Add main .zshrc file to load configurations and plugins
- Implement environment variables in env.zsh
- Define aliases for common commands in aliases.zsh
- Set up completion settings in completion.zsh
- Add custom functions for navigation, file handling, and process management in functions.zsh
- Configure keybindings in keybindings.zsh
- Set shell options in options.zsh
- Load plugins using Zinit in plugins.zsh
- Configure prompt settings in prompt.zsh
- Create a .zshenv file to set ZDOTDIR for Zsh configuration directory

ssh/.ssh/config.d/20-selfhost.conf

@@ -0,0 +1,21 @@
+# 20 - SelfHost
+Host vps vps-ada
+    HostName 157.22.231.198
+    Port 22
+    User root
+    IdentityFile ~/.ssh/id_ed25519_homelab
+
+# Gitea
+Host git.ada-dev.ru
+    HostName 192.168.1.10
+    User git
+    Port 2222
+    IdentityFile ~/.ssh/id_ed25519_homelab
+    ProxyJump vps
+
+# ZimaOS
+Host home zima
+    HostName 192.168.1.10
+    User ada
+    IdentityFile ~/.ssh/id_ed25519_homelab
+	SetEnv TERM=xterm-256color