Add a .clang-format file

.clang-format

@@ -0,0 +1,72 @@
+---
+BasedOnStyle: WebKit
+Language: Cpp
+Standard: Cpp14
+
+IndentWidth: 4
+SpacesBeforeTrailingComments: 1
+TabWidth: 8
+UseTab: Never
+ContinuationIndentWidth: 4
+MaxEmptyLinesToKeep: 3
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+BreakConstructorInitializersBeforeComma: true
+
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterClass: true
+  AfterControlStatement: false
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterObjCDeclaration: false
+  AfterStruct: true
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+
+ForEachMacros:
+  - forever # avoids { wrapped to next line
+  - foreach
+  - Q_FOREACH
+
+AccessModifierOffset: -4
+ConstructorInitializerIndentWidth: 4
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: false
+AllowShortEnumsOnASingleLine: false # requires clang-format 11
+AlignAfterOpenBracket: true
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: true
+BinPackParameters: true
+ColumnLimit: 100
+Cpp11BracedListStyle: false
+DerivePointerBinding: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+NamespaceIndentation: None
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 60
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerBindsToType: false
+SpaceAfterTemplateKeyword: false
+IndentFunctionDeclarationAfterType: false
+SpaceAfterControlStatementKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceInEmptyParentheses: false
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: true
+SpacesInParentheses: false
+...
+