Code support format detection

.editorconfig

@@ -0,0 +1,25 @@
+# EditorConfig for Mole project
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{sh,bash}]
+indent_style = space
+indent_size = 4
+# shfmt will use these settings automatically
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab