Added package skeleton

Added modified version of thephpleague/skeleton as skeleton of package.

.scrutinizer.yml

@@ -0,0 +1,31 @@
+build:
+    nodes:
+        analysis:
+            project_setup:
+                override: true
+            tests:
+                override: [php-scrutinizer-run]
+
+filter:
+    excluded_paths: [tests/*]
+
+checks:
+    php:
+        remove_extra_empty_lines: true
+        remove_php_closing_tag: true
+        remove_trailing_whitespace: true
+        fix_use_statements:
+            remove_unused: true
+            preserve_multiple: false
+            preserve_blanklines: true
+            order_alphabetically: true
+        fix_php_opening_tag: true
+        fix_linefeed: true
+        fix_line_ending: true
+        fix_identation_4spaces: true
+        fix_doc_comments: true
+
+tools:
+    external_code_coverage:
+        timeout: 600
+        runs: 3