feat(hcloud): add plugin for Hetzner Cloud CLI

Add a new plugin for the Hetzner Cloud CLI (hcloud) with:
- Auto-completion support
- Comprehensive aliases for all major hcloud commands
- Context management shortcuts
- Server, volume, network, and firewall management aliases
- Load balancer and certificate management shortcuts
- Documentation with complete alias reference

plugins/hcloud/hcloud.plugin.zsh

@@ -0,0 +1,129 @@
+# hcloud plugin for oh-my-zsh
+# Hetzner Cloud CLI: https://github.com/hetznercloud/cli
+
+if (( ! $+commands[hcloud] )); then
+  return
+fi
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it to `hcloud`. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_hcloud" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _hcloud
+  _comps[hcloud]=_hcloud
+fi
+
+hcloud completion zsh 2> /dev/null >| "$ZSH_CACHE_DIR/completions/_hcloud" &|
+
+# Main alias
+alias hc='hcloud'
+
+# Context management
+alias hcctx='hcloud context'
+alias hcctxls='hcloud context list'
+alias hcctxu='hcloud context use'
+alias hcctxc='hcloud context create'
+alias hcctxd='hcloud context delete'
+alias hcctxa='hcloud context active'
+
+# Server management
+alias hcs='hcloud server'
+alias hcsl='hcloud server list'
+alias hcsc='hcloud server create'
+alias hcsd='hcloud server delete'
+alias hcsdesc='hcloud server describe'
+alias hcspoff='hcloud server poweroff'
+alias hcspon='hcloud server poweron'
+alias hcsr='hcloud server reboot'
+alias hcsreset='hcloud server reset'
+alias hcssh='hcloud server ssh'
+alias hcse='hcloud server enable-rescue'
+alias hcsdr='hcloud server disable-rescue'
+alias hcsip='hcloud server ip'
+
+# Server actions
+alias hcsa='hcloud server attach-iso'
+alias hcsda='hcloud server detach-iso'
+alias hcscip='hcloud server change-type'
+
+# Volume management
+alias hcv='hcloud volume'
+alias hcvl='hcloud volume list'
+alias hcvc='hcloud volume create'
+alias hcvd='hcloud volume delete'
+alias hcvdesc='hcloud volume describe'
+alias hcva='hcloud volume attach'
+alias hcvda='hcloud volume detach'
+alias hcvr='hcloud volume resize'
+
+# Network management
+alias hcn='hcloud network'
+alias hcnl='hcloud network list'
+alias hcnc='hcloud network create'
+alias hcnd='hcloud network delete'
+alias hcndesc='hcloud network describe'
+alias hcnas='hcloud network add-subnet'
+alias hcnds='hcloud network delete-subnet'
+alias hcnar='hcloud network add-route'
+alias hcndr='hcloud network delete-route'
+
+# Floating IP management
+alias hcfip='hcloud floating-ip'
+alias hcfipl='hcloud floating-ip list'
+alias hcfipc='hcloud floating-ip create'
+alias hcfipd='hcloud floating-ip delete'
+alias hcfipdesc='hcloud floating-ip describe'
+alias hcfipa='hcloud floating-ip assign'
+alias hcfipua='hcloud floating-ip unassign'
+
+# SSH key management
+alias hcsk='hcloud ssh-key'
+alias hcskl='hcloud ssh-key list'
+alias hcskc='hcloud ssh-key create'
+alias hcskd='hcloud ssh-key delete'
+alias hcskdesc='hcloud ssh-key describe'
+alias hcsku='hcloud ssh-key update'
+
+# Image management
+alias hci='hcloud image'
+alias hcil='hcloud image list'
+alias hcid='hcloud image delete'
+alias hcidesc='hcloud image describe'
+alias hciu='hcloud image update'
+
+# Firewall management
+alias hcfw='hcloud firewall'
+alias hcfwl='hcloud firewall list'
+alias hcfwc='hcloud firewall create'
+alias hcfwd='hcloud firewall delete'
+alias hcfwdesc='hcloud firewall describe'
+alias hcfwar='hcloud firewall add-rule'
+alias hcfwdr='hcloud firewall delete-rule'
+alias hcfwas='hcloud firewall apply-to-resource'
+alias hcfwrs='hcloud firewall remove-from-resource'
+
+# Load balancer management
+alias hclb='hcloud load-balancer'
+alias hclbl='hcloud load-balancer list'
+alias hclbc='hcloud load-balancer create'
+alias hclbd='hcloud load-balancer delete'
+alias hclbdesc='hcloud load-balancer describe'
+alias hclbu='hcloud load-balancer update'
+alias hclbas='hcloud load-balancer add-service'
+alias hclbds='hcloud load-balancer delete-service'
+alias hclbat='hcloud load-balancer add-target'
+alias hclbdt='hcloud load-balancer delete-target'
+
+# Certificate management
+alias hccert='hcloud certificate'
+alias hccertl='hcloud certificate list'
+alias hccertc='hcloud certificate create'
+alias hccertd='hcloud certificate delete'
+alias hccertdesc='hcloud certificate describe'
+alias hccertu='hcloud certificate update'
+
+# Datacenter and location info
+alias hcdc='hcloud datacenter list'
+alias hcloc='hcloud location list'
+alias hcst='hcloud server-type list'
+alias hcit='hcloud image list --type system'