fix: Ignore VScode IDE directory

[SebastianKrupinski]

Added VS Code IDE folder to git ignore list

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 23.60%. Comparing base (afa403f) to head (ba60a11). Report is 5 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6067 +/- ## ============================================ - Coverage 29.29% 23.60% -5.69% + Complexity 914 457 -457 ============================================ Files 287 246 -41 Lines 13987 11716 -2271 Branches 2151 2150 -1 ============================================ - Hits 4098 2766 -1332 + Misses 9574 8636 -938 + Partials 315 314 -1 ``` | [Flag](https://app.codecov.io/gh/nextcloud/calendar/pull/6067/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | Coverage Δ | | |---|---|---| | [javascript](https://app.codecov.io/gh/nextcloud/calendar/pull/6067/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | `15.18% <ø> (ø)` | | | [php](https://app.codecov.io/gh/nextcloud/calendar/pull/6067/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | `58.65% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud#carryforward-flags-in-the-pull-request-comment) to find out more.

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