chore: ensure consistent line endings (#659)

Adds editorconfig to keep our editors ending lines with LF and .gitattributes to get git to ensure LF line endings when the editor doesn't.

License: MIT
Signed-off-by: Oli Evans <[email protected]>

Author: olizilla

.editorconfig

@@ -0,0 +1,16 @@
+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[Makefile]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false

.gitattributes

@@ -0,0 +1 @@
+* text=auto