Add formatting

.clang-format

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+# Set the language to C++
+Language: Cpp
+
+# Set the language standard to C++11
+Standard: Cpp11
+
+# Never use tab for indentation
+UseTab: Never
+
+# Set the indent width to be 4 columns
+IndentWidth: 4
+
+# Set tab width to be 4 columns
+TabWidth: 4
+
+# Set access modifier (public, private, protected) offset to indent left
+AccessModifierOffset: -4
+
+# Stop indentation of access modifiers
+IndentAccessModifiers: false
+
+# Don't allow a function to be defined on a single line
+AllowShortFunctionsOnASingleLine: false
+
+# Set the column limit to 80 characters
+ColumnLimit: 80
+
+# If an expression has to be split, then split before binary operators unless
+# it's an assignment operator.
+BreakBeforeBinaryOperators: NonAssignment
+
+# Use a Linux style brace break.
+# Break before braces on function, namespace and class definitions.
+BreakBeforeBraces: Stroustrup
+
+# If true, spaces will be inserted after ( and before ).
+SpacesInParentheses: false
+
+# If true, spaces will be inserted after [ and before ].
+SpacesInSquareBrackets: false
+
+# Separate definition blocks (classes, functions, structs, enums)
+SeparateDefinitionBlocks: Always
+
+# Sort includes by type
+IncludeBlocks: Regroup

.clangd

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+CompileFlags:
+  Add: [-I../include]