Convert the project to CMake

revamp f4ll
move f4ll upstream to codeberg

.clang-format

@@ -0,0 +1,33 @@
+BasedOnStyle: LLVM
+UseTab: Never
+IndentWidth: 4
+TabWidth: 4
+BreakBeforeBraces: Custom
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLambdasOnASingleLine: true
+AllowAllArgumentsOnNextLine: true
+IndentCaseLabels: true
+AccessModifierOffset: -4
+NamespaceIndentation: None
+FixNamespaceComments: false
+PackConstructorInitializers: Never
+AlignAfterOpenBracket: AlwaysBreak
+InsertBraces: true
+BraceWrapping:
+  AfterClass: true # false
+  AfterControlStatement: false
+  AfterEnum: false # false
+  AfterFunction: true # false
+  AfterNamespace: false
+  AfterObjCDeclaration: true # false
+  AfterStruct: true # false
+  AfterUnion: true # false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+ColumnLimit: 140