feature: add foundry's forge plugin

plugins/forge/forge.plugin.zsh

@@ -0,0 +1,34 @@
+# Foundry Forge plugin for oh-my-zsh
+
+# Aliases for common Foundry Forge commands
+alias finit='forge init'
+alias fb='forge build'
+alias fcmp='forge compile'
+alias ft='forge test'
+alias fdoc='forge doc'
+alias ffmt='forge fmt'
+alias fl='forge lint'
+alias fsnap='forge snapshot'
+alias fcov='forge coverage'
+alias ftree='forge tree'
+alias fcl='forge clean'
+alias fgeiger='forge geiger'
+alias fcfg='forge config'
+alias fupd='forge update'
+alias fbind='forge bind'
+
+# COMPLETION FUNCTION
+if (( ! $+commands[forge] )); then
+  return
+fi
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it to `forge`. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_forge" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _forge
+  _comps[forge]=_forge
+fi
+
+# Generate completion file in the background
+forge completions zsh >| "$ZSH_CACHE_DIR/completions/_forge" &|