Addition of an NSAC emergency info role

[MiniNick]

Adds an extra role which allows a member to only see the emergency info of members in the administrator dashboard.

[codecov[bot]]

Codecov Report

Merging #330 (1643613) into master (233273e) will not change coverage. The diff coverage is 75.00%.

:exclamation: Current head 1643613 differs from pull request most recent head 411bea4. Consider uploading reports for the commit 411bea4 to get more accurate results

@@            Coverage Diff            @@
##             master     #330   +/-   ##
=========================================
  Coverage     30.90%   30.90%           
  Complexity      645      645           
=========================================
  Files            96       96           
  Lines          2443     2443           
=========================================
  Hits            755      755           
  Misses         1688     1688           

Impacted Files	Coverage Δ
app/Http/Controllers/UserController.php	8.51% <50.00%> (ø)
app/Http/Middleware/Authorize.php	100.00% <100.00%> (ø)

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