added clangformat file

.clang-format

@@ -0,0 +1,59 @@
+BasedOnStyle: WebKit
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: 'true'
+AlignConsecutiveDeclarations: 'false'
+AlignEscapedNewlines: Right
+AlignOperands: 'false'
+AlignTrailingComments: 'true'
+AllowAllParametersOfDeclarationOnNextLine: 'false'
+AllowShortBlocksOnASingleLine: 'false'
+AllowShortCaseLabelsOnASingleLine: 'true'
+AllowShortFunctionsOnASingleLine: None
+AllowShortIfStatementsOnASingleLine: 'true'
+AllowShortLoopsOnASingleLine: 'false'
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: 'false'
+AlwaysBreakTemplateDeclarations: 'true'
+BinPackArguments: 'true'
+BinPackParameters: 'true'
+BreakAfterJavaFieldAnnotations: 'true'
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Stroustrup
+BreakBeforeInheritanceComma: 'false'
+BreakBeforeTernaryOperators: 'false'
+BreakConstructorInitializers: BeforeColon
+BreakStringLiterals: 'false'
+ColumnLimit: '0'
+CompactNamespaces: 'false'
+ConstructorInitializerAllOnOneLineOrOnePerLine: 'false'
+Cpp11BracedListStyle: 'false'
+DerivePointerAlignment: 'false'
+DisableFormat: 'false'
+ExperimentalAutoDetectBinPacking: 'true'
+FixNamespaceComments: 'true'
+IndentCaseLabels: 'true'
+IndentPPDirectives: AfterHash
+IndentWidth: '2'
+IndentWrappedFunctionNames: 'true'
+JavaScriptQuotes: Leave
+KeepEmptyLinesAtTheStartOfBlocks: 'false'
+Language: Cpp
+NamespaceIndentation: None
+PointerAlignment: Left
+ReflowComments: 'true'
+SortIncludes: 'false'
+SortUsingDeclarations: 'false'
+SpaceAfterCStyleCast: 'false'
+SpaceAfterTemplateKeyword: 'false'
+SpaceBeforeAssignmentOperators: 'true'
+SpaceBeforeParens: Never
+SpaceInEmptyParentheses: 'false'
+SpacesBeforeTrailingComments: '2'
+SpacesInAngles: 'false'
+SpacesInCStyleCastParentheses: 'false'
+SpacesInContainerLiterals: 'false'
+SpacesInParentheses: 'false'
+SpacesInSquareBrackets: 'false'
+Standard: Cpp11
+TabWidth: '2'
+UseTab: Never