first commit

.clang-format

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+---
+BasedOnStyle: Mozilla
+AccessModifierOffset: '-4'
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: 'true'
+AlignConsecutiveDeclarations: 'true'
+AlignOperands: 'true'
+AlignTrailingComments: 'true'
+AllowAllParametersOfDeclarationOnNextLine: 'true'
+AllowShortBlocksOnASingleLine: 'true'
+AllowShortCaseLabelsOnASingleLine: 'false'
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortLoopsOnASingleLine: 'false'
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+BreakBeforeBinaryOperators: All
+BreakBeforeBraces: Allman
+BreakBeforeTernaryOperators: 'true'
+BreakConstructorInitializers: AfterColon
+BreakStringLiterals: 'false'
+ColumnLimit: '100'
+ConstructorInitializerAllOnOneLineOrOnePerLine: 'false'
+ConstructorInitializerIndentWidth: '0'
+ContinuationIndentWidth: '4'
+Cpp11BracedListStyle: 'false'
+DerivePointerAlignment: 'false'
+DisableFormat: 'false'
+ExperimentalAutoDetectBinPacking: 'true'
+IndentCaseLabels: 'true'
+IndentWidth: '4'
+IndentWrappedFunctionNames: 'false'
+JavaScriptQuotes: Single
+KeepEmptyLinesAtTheStartOfBlocks: 'false'
+Language: Cpp
+MaxEmptyLinesToKeep: '2'
+NamespaceIndentation: None
+ObjCBlockIndentWidth: '4'
+ObjCSpaceAfterProperty: 'false'
+ObjCSpaceBeforeProtocolList: 'false'
+PointerAlignment: Left
+ReflowComments: 'true'
+SortIncludes: 'false'
+SpaceAfterCStyleCast: 'true'
+SpaceBeforeAssignmentOperators: 'true'
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: 'false'
+SpacesBeforeTrailingComments: '2'
+SpacesInAngles: 'false'
+SpacesInCStyleCastParentheses: 'false'
+SpacesInContainerLiterals: 'false'
+SpacesInParentheses: 'false'
+SpacesInSquareBrackets: 'false'
+Standard: Cpp11
+TabWidth: '4'
+UseTab: Always
+
+...