Issue 105 tags search

[RiddleMeDoo]

• Tags are shown on event info popup
• Tags can be searched in the search bar
• Search string must have the tag's entire string or else it will not be matched
• Events that end before the current day will not be shown in the sidebar

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 3c8b646):

https://utmap-c252d--pr111-issue-105-tags-searc-tjbr04ia.web.app

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