chore(build): update npm and run build css and icons

Author: HeyItsGilbert

.gitignore

@@ -9,7 +9,6 @@ tmp/
 
 # Node / build tooling
 node_modules/
-package-lock.json
 
 # Local Netlify folder
 .netlify

assets/css/fontawesome-subset.css

@@ -17,6 +17,7 @@
 .fa-calendar-check:before{content:"\f274"}
 .fa-calendar-days:before{content:"\f073"}
 .fa-calendar-plus:before{content:"\f271"}
+.fa-calendar-times:before{content:"\f273"}
 .fa-chalkboard-teacher:before{content:"\f51c"}
 .fa-check-circle:before{content:"\f058"}
 .fa-chevron-down:before{content:"\f078"}