Add bin and edit workflow

bin/gems/facets-3.1.0/lib/standard/facets/math/csch.rb

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+module Math
+
+  # Cosecans hyperbolicus of `x`.
+  def self.csch(x)
+    1.0 / sinh(x)
+  end
+
+  # Cosecans hyperbolicus of `x`.
+  def self.cosech(x)
+    1.0 / sinh(x)
+  end
+
+end