installation…

.clang-format
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			---
			Language: Cpp
			BasedOnStyle: LLVM
			Standard: Cpp11
			IndentWidth: 2
			TabWidth: 4
			UseTab: Never
			ColumnLimit: 80
			AccessModifierOffset: -2
			PointerAlignment: Middle
			NamespaceIndentation: Inner
			ContinuationIndentWidth: 4
			...