Change folder introspecting block parameters to tricks

Author: franzejr

SUMMARY.md

@@ -44,6 +44,7 @@
   * [Unused variable format](tricks/unused-variable-format.md)
   * [Variables from a regex](tricks/variables-from-a-regex.md)
   * [Zip](tricks/zip.md)
+  * [Introspecting Block Parameters](tricks/introspecting_block_parameters.md)
 * [Idiomatic Ruby](idiomatic_ruby.md)
   * [Each vs map](idiomatic_ruby/each_vs_map.md)
   * [Conditional assignment](idiomatic_ruby/conditional_assignment.md)
@@ -54,7 +55,6 @@
   * [Array Sample (enumerables)](idiomatic_ruby/array_sample.md)
   * [Use Fixnum#times](idiomatic_ruby/use_times.md)
   * [Implicit Return](idiomatic_ruby/implicit_return.md)
-  * [Introspecting Block Parameters](idiomatic_ruby/introspecting_block_parameters.md)
 * [Refactorings](refactorings.md)
   * [Conditionals when object is nil](refactorings/conditionals_when_object_is_nil.md)
   * [Switch case with Hashes](refactorings/case_with_hashes.md)

idiomatic_ruby.md

@@ -9,4 +9,3 @@
  * [Array Sample (enumerables)](idiomatic_ruby/array_sample.md)
  * [Use Fixnum#times](idiomatic_ruby/use_times.md)
  * [Implicit Return](idiomatic_ruby/implicit_return.md)
- * [Introspecting Block Parameters](idiomatic_ruby/introspecting_block_parameters.md)

tricks.md

@@ -44,3 +44,4 @@ The majority of these Ruby Tricks were extracted from James Edward Gray II [talk
 * [Unused variable format](tricks/unused-variable-format.md)
 * [Variables from a regex](tricks/variables-from-a-regex.md)
 * [Zip](tricks/zip.md)
+* [Introspecting Block Parameters](tricks/introspecting_block_parameters.md)