style: format

.clang-format

@@ -0,0 +1,61 @@
+BasedOnStyle: Google
+
+AccessModifierOffset: -2
+
+AlignConsecutiveAssignments: true
+
+AllowAllArgumentsOnNextLine: false
+
+AllowAllParametersOfDeclarationOnNextLine: false
+
+AllowShortBlocksOnASingleLine: Empty
+
+AllowShortCaseLabelsOnASingleLine: true
+
+AllowShortFunctionsOnASingleLine: Inline
+
+AllowShortLambdasOnASingleLine: All
+
+BinPackArguments: false
+
+BinPackParameters: false
+
+ColumnLimit: 0
+
+CompactNamespaces: false
+
+ContinuationIndentWidth: 4
+
+Cpp11BracedListStyle: true
+
+EmptyLineBeforeAccessModifier: LogicalBlock
+
+FixNamespaceComments: true
+
+IncludeBlocks: Regroup
+SortIncludes: true
+IncludeCategories:
+  - Regex: '^<ext/.*\.h>'
+    Priority: 2
+  - Regex: '^<.*\.h>'
+    Priority: 1
+  - Regex: '^<.*'
+    Priority: 2
+  - Regex: '.*'
+    Priority: 3
+
+IndentWidth: 4
+
+KeepEmptyLinesAtTheStartOfBlocks: true
+
+InsertNewlineAtEOF: true
+
+MaxEmptyLinesToKeep: 1
+
+TabWidth: 4
+
+UseTab: Never
+
+SeparateDefinitionBlocks: Always
+
+QualifierAlignment: Left