ASCII Table: Add additional trigger words (#4111)

* Fixes #4107 Added triggers

* updating test

* moving triggers to a separate file

lib/DDG/Goodie/AsciiTable.pm

@@ -10,8 +10,7 @@ zci answer_type => 'ascii_table';
 
 zci is_cached => 1;
 
-triggers start => 'ascii table', 'ascii tables', 'ascii reference table',
-                  'ascii reference';
+triggers start => share('triggers.txt')->slurp;
 
 my $ascii = LoadFile(share('data.yml'));
 

share/goodie/ascii_table/triggers.txt

@@ -0,0 +1,22 @@
+ascii table
+ascii tables
+ascii reference table
+ascii reference
+ascii codes
+ascii code table
+ascii codes table
+char codes
+character codes
+char codes table
+char codes chart
+character codes table
+ascii character codes
+ascii character codes table
+ascii character codes chart
+ascii characters
+ascii character table
+ascii characters table
+ascii chart
+ascii codes chart
+ascii characters chart
+ascii reference chart

t/AsciiTable.t

@@ -79,6 +79,8 @@ ddg_goodie_test(
     'ascii table' => build_test(),
     'ascii reference table' => build_test(),
     'ascii reference' => build_test(),
+    'ascii characters' => build_test(),
+    'character codes' => build_test(),
     'ascii convertor' => undef,
     'ascii conversion' => undef,
     'convert ascii' => undef,