formula: Add convenience method for installing Zsh functions
formula: Add convenience method for installing Zsh functions

hanxue/linuxbrew,Linuxbrew/brew,JCount/brew,vitorgalvao/brew,maxim-belkin/brew,DomT4/brew,nandub/brew,konqui/brew,Linuxbrew/brew,hanxue/linuxbrew,maxim-belkin/brew,EricFromCanada/brew,reitermarkus/brew,jmsundar/brew,reitermarkus/brew,aw1621107/brew,rwhogg/brew,Homebrew/brew,ilovezfs/brew,Homebrew/brew,mahori/brew,DomT4/brew,pseudocody/brew,MikeMcQuaid/brew,alyssais/brew,pseudocody/brew,amar-laksh/brew_sudo,JCount/brew,Linuxbrew/brew,ilovezfs/brew,palxex/brew,maxim-belkin/brew,zmwangx/brew,zmwangx/brew,rwhogg/brew,reitermarkus/brew,vitorgalvao/brew,mgrimes/brew,sjackman/homebrew,vitorgalvao/brew,claui/brew,muellermartin/dist,nandub/brew,aw1621107/brew,reelsense/brew,bfontaine/brew,tonyg/homebrew,JCount/brew,bfontaine/brew,gregory-nisbet/brew,amar-laksh/brew_sudo,konqui/brew,sjackman/homebrew,zmwangx/brew,konqui/brew,sjackman/homebrew,mgrimes/brew,mahori/brew,DomT4/brew,Homebrew/brew,EricFromCanada/brew,mahori/brew,tonyg/homebrew,mgrimes/brew,amar-laksh/brew_sudo,gregory-nisbet/brew,hanxue/linuxbrew,aw1621107/brew,muellermartin/dist,palxex/brew,JCount/brew,muellermartin/dist,pseudocody/brew,reelsense/brew,MikeMcQuaid/brew,jmsundar/brew,claui/brew,EricFromCanada/brew,alyssais/brew,gregory-nisbet/brew,reelsense/brew,konqui/brew,MikeMcQuaid/brew,palxex/brew,jmsundar/brew,nandub/brew,alyssais/brew,sjackman/homebrew,vitorgalvao/brew,nandub/brew,tonyg/homebrew,claui/brew,mahori/brew,claui/brew,MikeMcQuaid/brew,Linuxbrew/brew,ilovezfs/brew,DomT4/brew,Homebrew/brew,EricFromCanada/brew,reitermarkus/brew,bfontaine/brew,rwhogg/brew