Updated and working.

.vscode/c_cpp_properties.json

@@ -0,0 +1,17 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "gnu17",
+            "cppStandard": "gnu++14",
+            "intelliSenseMode": "linux-gcc-x64",
+            "configurationProvider": "ms-vscode.cmake-tools"
+        }
+    ],
+    "version": 4
+}

.vscode/settings.json

@@ -1,3 +1,5 @@
 {
-   "cmake.configureOnOpen": false
+   "cmake.configureOnOpen": false,
+   "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools",
+   "C_Cpp.errorSquiggles": "Enabled"
 }