all: unify coding style using clang-format

Author: CodeFinder2

.clang-format

@@ -0,0 +1,49 @@
+BasedOnStyle: WebKit
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignOperands: true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: true
+BinPackParameters: true
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeBraces: WebKit
+BreakConstructorInitializersBeforeComma: false
+# BreakStringLiterals: true
+ColumnLimit: 100
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+DerivePointerAlignment: false
+ForEachMacros: [RANGES_FOR, FOREACH, Q_FOREACH, FOR_EACH, foreach, BOOST_FOREACH, BOOST_REVERSE_FOREACH]
+IndentCaseLabels: false
+IndentWidth: 2
+KeepEmptyLinesAtTheStartOfBlocks: false
+Language: Cpp
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+PenaltyReturnTypeOnItsOwnLine: 1000000
+PointerAlignment: Right
+ReflowComments: true
+SortIncludes: false
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp03
+TabWidth: 2
+UseTab: Never
+