Refs #14072 restore clang file

.clang-format

----
-# BasedOnStyle:  Google
-AccessModifierOffset: -1
-ConstructorInitializerIndentWidth: 4
-AlignEscapedNewlinesLeft: true
-AlignTrailingComments: true
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortIfStatementsOnASingleLine: true
-AllowShortLoopsOnASingleLine: true
-AlwaysBreakTemplateDeclarations: true
-AlwaysBreakBeforeMultilineStrings: true
-BreakBeforeBinaryOperators: false
-BreakBeforeTernaryOperators: true
-BreakConstructorInitializersBeforeComma: false
-BinPackParameters: true
-ColumnLimit:     80
-ConstructorInitializerAllOnOneLineOrOnePerLine: true
-DerivePointerBinding: true
-ExperimentalAutoDetectBinPacking: false
-IndentCaseLabels: true
-MaxEmptyLinesToKeep: 1
-NamespaceIndentation: None
-ObjCSpaceBeforeProtocolList: false
-PenaltyBreakBeforeFirstCallParameter: 1
-PenaltyBreakComment: 60
-PenaltyBreakString: 1000
-PenaltyBreakFirstLessLess: 120
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 200
-PointerBindsToType: true
-SpacesBeforeTrailingComments: 2
-Cpp11BracedListStyle: true
-Standard:        Auto
-IndentWidth:     2
-TabWidth:        8
-UseTab:          Never
-BreakBeforeBraces: Attach
-IndentFunctionDeclarationAfterType: true
-SpacesInParentheses: false
-SpacesInAngles:  false
-SpaceInEmptyParentheses: false
-SpacesInCStyleCastParentheses: false
-SpaceAfterControlStatementKeyword: true
-SpaceBeforeAssignmentOperators: true
-ContinuationIndentWidth: 4
-...
+BasedOnStyle: LLVM