add vscode workspace

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+	"recommendations": [
+		"ms-vscode.cmake-tools",
+		"ms-vscode.cpptools",
+		"eamodio.gitlens"
+	]
+}

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+	"C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools"
+}

kyuii.code-workspace

@@ -0,0 +1,13 @@
+{
+	"folders": [
+		{
+			"path": "."
+		}
+	],
+	"settings": {
+		"cmake.buildDirectory": "${workspaceFolder}/build",
+		"cmakeFormat.args": [
+			"-c ${workspaceFolder}/.cmake-format"
+		]
+	}
+}