upgrade to Angular 8 and Node 12

Author: jhades

browserslist

@@ -0,0 +1,9 @@
+# This file is currently used by autoprefixer to adjust CSS to support the below specified browsers
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+# For IE 9-11 support, please uncomment the last line of the file and adjust as needed
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+# IE 9-11