meta: set up editorconfig

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ie44e5a7239a053d674e6aa06e14c3ce56a6a6964

.editorconfig

@@ -0,0 +1,32 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.rs]
+indent_style = space
+indent_size = 2
+
+[justfile]
+indent_style = space
+indent_size = 2
+
+[*.toml]
+indent_style = space
+indent_size = 2
+
+[*.md]
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = false
+
+[*.nix]
+indent_style = space
+indent_size = 2
+
+[*.scss]
+indent_style = space
+indent_size = 2