Add editorconfig

.editorconfig

@@ -0,0 +1,21 @@
+# Top-level setting to indicate this is the root .editorconfig file
+root = true
+
+# Default settings for all files
+[*]
+# Enforce LF (\n) as the line ending across all files for consistency
+end_of_line = lf
+# Ensure every file ends with a newline
+insert_final_newline = true
+charset = utf-8
+# Use spaces for indentation (as opposed to tabs)
+indent_style = space
+# Set the width of a single indentation level to 2 spaces
+indent_size = 2
+trim_trailing_whitespace = true
+
+# Specific settings for Markdown files
+[*.md]
+# Disable trimming of trailing whitespace in Markdown files,
+# important for Markdown syntax where trailing spaces can be meaningful
+trim_trailing_whitespace = false