linkapp: create Finder aliases
linkapp: create Finder aliases

Symlinks to apps don't play well with Spotlight, but Finder alises do,
so let's create them instead.

Closes Homebrew/homebrew#14821.

Signed-off-by: Adam Vandenberg <34c2b6407fd5a10249a15d699d40f9ed1782e98c@gmail.com>

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