Add bin and edit workflow

bin/gems/facets-3.1.0/test/standard/math/test_cosech.rb

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+require 'facets/math/cosech'
+
+test_case Math do
+
+  class_method :cosech do
+    test do
+      Math.cosech(-1.0).assert == 1.0 / Math.sinh(-1.0)
+      Math.cosech( 1.0).assert == 1.0 / Math.sinh( 1.0)
+    end
+
+    test "check complementarity of cosech and sinh" do
+      (Math.cosech(-2.0) * Math.sinh(-2.0)).assert == 1.0
+      (Math.cosech(-1.0) * Math.sinh(-1.0)).assert == 1.0
+      (Math.cosech( 1.0) * Math.sinh( 1.0)).assert == 1.0
+      (Math.cosech( 2.0) * Math.sinh( 2.0)).assert == 1
+    end
+  end
+
+end