feat(index): create alias Behavior for Metadata
feat(index): create alias Behavior for Metadata

jw56578/templating,shanonvl/aurelia-templating,charlespockert/templating,cmichaelgraham/templating,tcollard/templating,hitesh97/templating,PWKad/templating,aurelia/templating,JeroenVinke/templating,aurelia/templating,davismj/templating,milunka/aurelia-templating,michaelgeorgeattard/templating,behzad88/templating,jdanyow/templating,AshleyGrant/templating,simudream/templating