Added missing perltidyrc and updated contribution guidelines

.perltidyrc

@@ -0,0 +1,18 @@
+# REF: http://www.perlmonks.org/?node_id=485885
+# PBP .perltidyrc file
+
+-l=78   # Max line width is 78 cols
+-i=4    # Indent level is 4 cols
+-ci=4   # Continuation indent is 4 cols
+-st     # Output to STDOUT
+-se     # Errors to STDERR
+-vt=2   # Maximal vertical tightness
+-cti=0  # No extra indentation for closing brackets
+-pt=1   # Medium parenthesis tightness
+-bt=1   # Medium brace tightness
+-sbt=1  # Medium square bracket tightness
+-bbt=1  # Medium block brace tightness
+-nsfs   # No space before semicolons
+-nolq   # Don't outdent long quoted strings
+-wbb="% + - * / x != == >= <= =~ < > | & **= += *= &= <<= &&= -= /= |= >>= ||= .= %= ^= x="
+        # Break before all operators

CONTRIBUTING.md

@@ -25,7 +25,7 @@ Please use the [PR template](.github/PULL_REQUEST_TEMPLATE.md).
 Coding guidelines are basic, please use:
 
 - [EditorConfig](http://editorconfig.org/) configuration included in repository as `.editorconfig`
-- [PerlTidy](http://perltidy.sourceforge.net/) configuration included in repository as `.perlcriticrc`
+- [PerlTidy](http://perltidy.sourceforge.net/) configuration included in repository as `.perltidyrc`
 
 For other coding conventions please see the Perl::Critic configuration in: `t/perlcriticrc`.