Merge pull request arduino-cmake#25 from arduino-cmake/feature/16-define-a-style-standard

Feature/16 define a style standard

Author: MrPointer

Diff for: .editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+charset = utf-8
+
+end_of_line = lf
+insert_final_newline = true
+
+indent_style = space
+indent_size = 4
+# Editor support is limited. Make your you align multiline statements accordingly, should your editor not honour this attribute
+continuation_indent_size = 8
+
+trim_trailing_whitespace = true

Diff for: .gitattributes

@@ -0,0 +1 @@
+* text eol=lf

Diff for: .gitignore

@@ -82,27 +82,10 @@ Module.symvers
 Mkfile.old
 dkms.conf
 
-### JetBrains template
-# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
-# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
-
-# User-specific stuff:
-.idea/**/workspace.xml
-.idea/**/tasks.xml
-.idea/dictionaries
-
-# Sensitive or high-churn files:
-.idea/**/dataSources/
-.idea/**/dataSources.ids
-.idea/**/dataSources.xml
-.idea/**/dataSources.local.xml
-.idea/**/sqlDataSources.xml
-.idea/**/dynamic.xml
-.idea/**/uiDesigner.xml
-
-# Gradle:
-.idea/**/gradle.xml
-.idea/**/libraries
+### JetBrains (modified)
+.idea/*
+!.idea/codeStyleSettings.xml
+!.idea/codeStyles/
 
 # CMake
 cmake-build-debug/