Fix rubocop error for the constant by converting to uppercase - new (#…

…1562)

* Add contributors

exercises/concept/port-palermo/.docs/instructions.md

@@ -12,10 +12,10 @@ The system has to handle identifiers for ships, but also for destinations.
 The first thing you need to do is to create the identifier for the port of Palermo.
 The identifier are the first four letters of the name of the port, in uppercase.
 
-Define the `Port.Identifier` constant to be a symbol with the value `:PALE`.
+Define the `Port::IDENTIFIER` constant to be a symbol with the value `:PALE`.
 
 ```ruby
-Port::Identifier 
+Port::IDENTIFIER 
 # => :PALE
 ```
 

exercises/concept/port-palermo/.meta/config.json

@@ -14,5 +14,6 @@
     ]
   },
   "icon": "strings-package",
-  "blurb": "Learn about the symbols while helping out with modernize the ports of Palermo computer system."
+  "blurb": "Learn about the symbols while helping out with modernize the ports of Palermo computer system.",
+  "contributors": ["egemen-dev"]
 }

exercises/concept/port-palermo/.meta/exemplar.rb

@@ -1,5 +1,5 @@
 module Port
-  Identifier = :PALE
+  IDENTIFIER = :PALE
 
   def self.get_identifier(city)
     return city[0..3].upcase.to_sym

exercises/concept/port-palermo/port_palermo.rb

@@ -1,5 +1,5 @@
 module Port
-  # TODO: define the 'Identifier' constant
+  # TODO: define the 'IDENTIFIER' constant
 
   def self.get_identifier(city)
     raise 'Please implement the Port.get_identifier method'

exercises/concept/port-palermo/port_palermo_test.rb

@@ -3,7 +3,7 @@
 
 class MoviegoerTest < Minitest::Test
   def test_identifier
-    assert_equal :PALE, Port::Identifier
+    assert_equal :PALE, Port::IDENTIFIER
   end
 
   def test_get_identifier_for_hamburg