EditorConfig

Add `.editorconfig` and `.gitattributes` settings to enforce
code styles consistency across different editors and IDEs.

Author: tajmone

.editorconfig

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+# https://editorconfig.org
+
+root = true
+
+
+## Repository Configurations
+############################
+[.{git*,editorconfig,*.yml}]
+end_of_line = lf
+indent_style = space
+indent_size = unset
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[.gitmodules]
+indent_style = tab
+
+
+## Markdown GFM
+###############
+[*.md]
+indent_style = space
+indent_size = unset
+end_of_line = unset
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+
+## C Source Files
+#################
+[*.{c,h}]
+indent_style = space
+indent_size = 4
+end_of_line = unset
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitattributes

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+
+## Repository Configuration
+###########################
+.editorconfig    text eol=lf
+.gitattributes   text eol=lf
+.gitignore       text eol=lf