Adding an editorconfig file with support for md, html, js, yaml, Make… (#331)

Adding an editorconfig file with support for md, html, js, yaml, Makefile, css, and template files. 

Resolves #329 

# Description
This PR adds an .editorconfig file with default settings for the text based files in the project. 

## Changes
- Added .editorconfig

Author: Jasrags

.editorconfig

@@ -0,0 +1,38 @@
+root = true
+
+# Global defaults
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+# Markdown
+[*.md]
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = false
+
+# HTML
+[*.html]
+indent_style = space
+indent_size = 2
+
+# JavaScript
+[*.js]
+indent_style = space
+indent_size = 2
+
+# YAML
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+# Makefiles (requires tab-based indentation)
+[Makefile]
+indent_style = tab
+
+# CSS
+[*.css]
+indent_style = space
+indent_size = 2