Add .editorconfig

Author: Barracuda09

.editorconfig

@@ -0,0 +1,28 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.{cpp,h}]
+charset = utf-8
+indent_style = tab
+indent_size = 2
+tab_width = 2
+trim_trailing_whitespace = true
+
+# Matches multiple files with brace expansion notation
+[*.{js,html,py}]
+charset = utf-8
+indent_style = tab
+indent_size = 2
+tab_width = 2
+trim_trailing_whitespace = true
+
+# Tab indentation (no size specified)
+[Makefile]
+indent_style = tab