feat: add configuration files for aria2 and containers, and update zsh aliases

- Introduce aria2 configuration for RPC and default download directory
- Add containers configuration to suppress compose warning logs
- Update zsh aliases to include a shortcut for Docker using podman

zsh/.config/zsh/snippets/aliases

@@ -14,4 +14,7 @@ alias g='git'
 alias ga='git add'
 alias gc='git commit'
 alias gp='git push'
-alias gl='git pull' 
+alias gl='git pull'
+
+# Docker shortcuts
+alias docker='podman'