Added Welcome message

[lapolonio]

Cool things:
Last item in list can have a comma
Rails updates automajically on save

I rule and have completed some work on Case Manager that's ready for review!

Add another welcome message (really just copied)

It relates to the following issue #s:

• Bumps Leave our case managers a nice note! #884

[codecov-io]

Codecov Report

Merging #1182 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1182   +/-   ##
=======================================
  Coverage   95.31%   95.31%           
=======================================
  Files          55       55           
  Lines        1195     1195           
=======================================
  Hits         1139     1139           
  Misses         56       56

Impacted Files	Coverage Δ
app/helpers/welcome_message_helper.rb	100% <ø> (ø)	⬆️

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[colinxfleming]

You know, when I picked up ruby in 2013, trailing commas on arrays were a real bane of my existence. I had no idea they switched this over, thanks a ton for cluing me into that! 💯