add new time category

[mariopesch]

closes #245

[github-actions]

Tests

Test Name	Status	Flaky	Duration
Blockly Editor Page Tests [Blockly] visits the editor page	✅		1.1s
Blockly Editor Page Tests [Blockly] visits the tutorial page	✅		168ms
Blockly Editor Page Tests [Blockly] visits the gallery page	✅		128ms
Blockly Editor Page Tests [Blockly] visits the faq page	✅		122ms
Blockly Editor Page Tests [Blockly] visits the settings page	✅		117ms
Blockly Editor Page Tests [Blockly] visits the login page	✅		116ms
Blockly Editor Page Tests [Blockly] navigates to tutorial and back	✅		9.7s
Blockly Editor Page Tests [Blockly] selects senseBox ESP	✅		705ms
Blockly Editor Page Tests [Blockly] selects senseBox MCU	✅		720ms
Blockly Editor Page Tests [Blockly] selects senseBox Mini	✅		675ms
Blockly Editor Page Tests [Blockly] compiles code	✅		18.1s
Code Editor Page Tests [CodeEditor] visits the code editor page	✅		1.3s
Code Editor Page Tests [CodeEditor] selects senseBox ESP	✅		487ms
Code Editor Page Tests [CodeEditor] compiles code	✅		626ms
Code Editor Page Tests [CodeEditor] opens reset dialog	✅		607ms
Code Editor Page Tests [CodeEditor] fetches libraries	✅		2.7s

Github Test Reporter by CTRF 💚