Add clang-format configuration

Author: alt-graph

.clang-format

@@ -0,0 +1,46 @@
+---
+BasedOnStyle: WebKit
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel:  true
+  AfterClass:      true
+  AfterControlStatement: true
+  AfterEnum:       true
+  AfterFunction:   true
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     true
+  AfterUnion:      true
+  AfterExternBlock: false
+  BeforeCatch:     true
+  BeforeElse:      true
+  BeforeLambdaBody: true
+  BeforeWhile:     true
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+AlignConsecutiveMacros : true
+AlignTrailingComments : true
+AllowShortCaseLabelsOnASingleLine : false
+AllowShortEnumsOnASingleLine : true
+AllowShortFunctionsOnASingleLine : Inline
+AllowShortLambdasOnASingleLine : All
+AlwaysBreakTemplateDeclarations : Yes
+BreakConstructorInitializersBeforeComma: true
+BreakStringLiterals: false
+ColumnLimit: '90'
+FixNamespaceComments: 'true'
+IndentWidth: '4'
+KeepEmptyLinesAtTheStartOfBlocks: 'false'
+Language: Cpp
+MaxEmptyLinesToKeep: '2'
+NamespaceIndentation: None
+PointerAlignment: Left
+ReflowComments: 'false'
+SortIncludes: false
+SpaceBeforeCpp11BracedList : false
+Standard: Latest
+UseTab: Never
+
+...