Add the setting file of clang-format.

.clang-format

+BasedOnStyle: LLVM
+IndentWidth: 4
+NamespaceIndentation: All

.editorconfig

 root = true
 
 [*]
-indent_style = tab
+indent_style = space
 indent_size = 4
 end_of_line = lf
 charset = utf-8
@@ -9,6 +9,4 @@ trim_trailing_whitespace = true
 insert_final_newline = true
 
 [*.md]
-indent_style = space
-indent_size = 4
 trim_trailing_whitespace = false

.gitignore

 /build/
+/.vscode/

src/kyut.cpp

 #include <iostream>
 
-int main(int argc, char *argv[])
-{
-	try
-	{
-		for (int i = 0; i < argc; i++)
-		{
+int main(int argc, char *argv[]) {
+    try {
+        for (int i = 0; i < argc; i++) {
             std::cout << argv[i] << std::endl;
         }
-	}
-	catch (const std::exception &e)
-	{
+    } catch (const std::exception &e) {
         std::cerr << e.what() << '\n';
 
         return 1;