Create .editorconfig

Reasonably tame .editorconfig for help with editting the .py & especially the YAML files

.editorconfig

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+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+charset = utf-8
+end_of_line = lf // Helps keep Windows, Mac, Linux on the same page since they handle end of line differently
+indent_style = tab // Converts spaces to tabs
+indent_size = 4 // 4 spaces per tab
+insert_final_newline = true // Auto-adds a blank newline to the end of a file
+trim_trailing_whitespace = true // Auto-trims trailing whitespace
+
+# Docstrings and comments use max_line_length = 79
+[*.py]
+max_line_length = 119
+indent_style = tab
+indent_size = 4
+
+# Matches the exact files either package.json or .travis.yml
+[{*.yml,*.yaml,config.yml,defaults.yml}]
+indent_style = space
+indent_size = 2