git ignore everything in .vscode/

users are allowed to have their own vscode-specific project-wide
settings, but we shall not version any of it.

Author: schlimmchen

.gitignore

@@ -1,9 +1,5 @@
 .pio
-.vscode/.browse.c_cpp.db*
-.vscode/c_cpp_properties.json
-.vscode/launch.json
-.vscode/ipch
-.vscode/settings.json
+.vscode/
 platformio-device-monitor*.log
 logs/device-monitor*.log
 platformio_override.ini