global: add git attribute for easier file management

.editorconfig

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+# This file provide reference settings for the Pymavlink code conventions
+# There are plug-ins available for nearly every text editor to automatically
+# respect the conventions contained within this file.
+#
+# Please see editorconfig.org for complete information.
+#
+# If you find errors in this file, please send a pull-request with a fix.
+#
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false # These are the correct rules for coding standards, but fixing up old files causes git spam
+insert_final_newline = false

.gitattributes

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+# Set the default behavior, in case people don't have core.autocrlf set.
+text eol=lf
+
+# Declare files that will always have LF line endings on checkout.
+*.py text eol=lf
+*.sh text eol=lf
+*.bash text eol=lf
+
+*.bin -diff
+
+*.bin binary linguist-generated