copy compile db to project folder

.gitignore

@@ -1,4 +1,4 @@
 **/build/
 **/.cache/
-
+compile_commands.json
 

Chapter04/bare/.vscode/tasks.json

@@ -17,11 +17,22 @@
             "detail": "Generates build system files with CMake"
         },
         {
-            "label": "Build",
+            "label": "Copy Compile Db",
             "type": "shell",
             "dependsOn": [
                 "Configure"
             ],
+            "command": "cp ${workspaceFolder}/build/compile_commands.json ${workspaceFolder}",
+            "group": "build",
+            "problemMatcher": [],
+            "detail": "Generates build system files with CMake"
+        },
+        {
+            "label": "Build",
+            "type": "shell",
+            "dependsOn": [
+                "Copy Compile Db"
+            ],
             "command": "make",
             "args": [
                 "-C", "build"