Add .editorconfig file

remove newlinet in binary file

editorconfig style guide

correct format for rst hyperlinks

.editorconfig

@@ -0,0 +1,34 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# http://editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.md,*.rst}]
+trim_trailing_whitespace = false
+
+[{Makefile,*.mk,*.bat}]
+indent_style = tab
+indent_size = 2
+
+[*/freertos/**]
+indent_style = tab
+indent_size = 4
+
+[{*/freertos/**.S,**/FreeRTOSConfig.h}]
+indent_style = space
+indent_size = 4
+
+[*.pem]
+insert_final_newline = false
+
+[*.py]
+max_line_length = 119

docs/contribute/style-guide.rst

@@ -169,6 +169,15 @@ To re-format a file, run::
 
     tools/format.sh components/my_component/file.c
 
+
+Configuring the code style for a project using EditorConfig
+-----------------------------------------------------------
+
+EditorConfig helps developers define and maintain consistent coding styles between different editors and IDEs. The EditorConfig project consists of a file format for defining coding styles and a collection of text editor plugins that enable editors to read the file format and adhere to defined styles. EditorConfig files are easily readable and they work nicely with version control systems.
+
+For more information, see `EditorConfig <http://editorconfig.org>`_ Website.
+
+
 Documenting code
 ----------------