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/40-proxy.conf

@@ -0,0 +1,23 @@
+Host ru-vps
+    HostName 157.22.231.198
+    User ada
+    IdentityFile ~/.ssh/id_ed25519
+    ServerAliveInterval 30
+    ServerAliveCountMax 3
+
+Host nl-vps
+    HostName 170.168.25.171
+    User ada
+    IdentityFile ~/.ssh/id_ed25519
+    ProxyJump ru-vps
+    ServerAliveInterval 30
+    ServerAliveCountMax 3
+
+Host fl-vps
+    HostName 89.167.32.245
+    Port 4322
+    User ada
+    IdentityFile ~/.ssh/id_ed25519_flvpn
+    ProxyJump ru-vps
+    ServerAliveInterval 30
+    ServerAliveCountMax 3