Add format files

Author: pfultz2

.clang-format

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+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortIfStatementsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: true
+BasedOnStyle: LLVM
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:
+  AfterClass: false
+  AfterControlStatement: false
+  AfterEnum: false
+  AfterExternBlock: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterStruct: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyNamespace: false
+  SplitEmptyRecord: false
+BreakBeforeBraces: Custom
+BreakStringLiterals: false
+ColumnLimit: 120
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+IndentCaseLabels: false
+IndentWidth: 4
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 10
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 5000
+PenaltyExcessCharacter: 100
+PenaltyReturnTypeOnItsOwnLine: 500
+PointerAlignment: Left
+SpaceBeforeParens: ControlStatements
+UseTab: Never

runformat

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+#!/bin/bash
+CLANG_FORMAT_VERSION="10.0.0"
+CLANG_FORMAT="${CLANG_FORMAT-clang-format-10}"
+
+DETECTED_VERSION=$("$CLANG_FORMAT" --version 2>&1 | awk '{ print $NF; }')
+if [ "$DETECTED_VERSION" != "${CLANG_FORMAT_VERSION}" ]; then
+  echo "You should use version: ${CLANG_FORMAT_VERSION}"
+  echo "Detected version: ${DETECTED_VERSION}"
+  exit 1
+fi
+
+# OS variables
+[ $(uname -s) = "Darwin" ] && export OSX=1 && export UNIX=1
+[ $(uname -s) = "Linux" ] && export LINUX=1 && export UNIX=1
+uname -s | grep -q "_NT-" && export WINDOWS=1
+
+if [ $OSX ]
+then
+  export CPUCOUNT=$(sysctl -n hw.ncpu)
+elif [ $LINUX ]
+then
+  export CPUCOUNT=$(nproc)
+else
+  export CPUCOUNT="1"
+fi
+
+function formatCplusplus {
+  find $1 -iname '*.h' \
+      -o -iname '*.c' \
+      -o -iname '*.cpp' \
+      | xargs -n 1 -P $CPUCOUNT -I{} -t $CLANG_FORMAT --style=file -i {}
+
+}
+
+formatCplusplus cli/
+formatCplusplus democlient/
+formatCplusplus gui/
+formatCplusplus lib/
+formatCplusplus oss-fuzz/
+formatCplusplus test/
+formatCplusplus tools/
+formatCplusplus samples/