Add solution to problem 22 of Project Euler

Project Euler/Problem 22/problem22_sol1.rb

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+# frozen_string_literal: true
+
+# reading the contents of the file
+file_contents = File.open('p022_names.txt', 'r').read
+
+# replacing the occuerance of \" to '' and spliting the result by ','
+# to get an array of sorted words
+words = file_contents.tr('\"', '').split(',').sort
+
+# this method calculates the worth of a word based on the ASCII
+# values of the characters
+def word_worth(word)
+  word.split('').inject(0) { |result, char| result + char.ord - 'A'.ord + 1 }
+end
+
+# this method takes the words as an input
+# calls `word_worth` method on each word
+# to that value multiply that with the index of the word in the array
+# add the same to the result
+def total_rank(words)
+  result = 0
+  words.each_with_index { |word, index| result += word_worth(word) * (index + 1) }
+  result
+end
+
+# outputs total rank on the console
+puts total_rank(words)