meta: set up clang-format

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I82153db16a9b18a901faf7095a2a26d26a6a6964

.clang-format

@@ -0,0 +1,39 @@
+---
+Language:        Cpp
+BasedOnStyle:    LLVM
+IndentWidth:     2
+TabWidth:        2
+UseTab:          Never
+ColumnLimit:     100
+AllowShortIfStatementsOnASingleLine: false
+BreakBeforeBraces: Attach
+IndentCaseLabels: true
+IndentGotoLabels: true
+IndentPPDirectives: AfterHash
+SortIncludes:    true
+SpaceAfterCStyleCast: true
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+SpacesInAngles:  false
+SpaceBeforeParens: ControlStatements
+PointerAlignment: Left
+AlignConsecutiveAssignments: true
+AlignConsecutiveDeclarations: true
+AlignArrayOfStructures: Left
+AlignTrailingComments: true
+AllowShortBlocksOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: true
+BinPackParameters: true
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+FixNamespaceComments: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+ReflowComments: true
+SortUsingDeclarations: true
+SpacesBeforeTrailingComments: 2
+Standard: Cpp11
+...