Properly handle click away in tooltips and add basic PWA support

[codecov[bot]]

Codecov Report

Patch coverage: 100.0% and no project coverage change.

Comparison is base (6f91a78) 92.6% compared to head (676aa18) 92.6%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #184 +/- ## ======================================= - Coverage 92.6% 92.6% -0.0% ======================================= Files 47 47 Lines 2642 2638 -4 Branches 378 377 -1 ======================================= - Hits 2446 2442 -4 Misses 192 192 Partials 4 4 ``` | [Impacted Files](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/184?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [src/web/client/pages/dictionary.tsx](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/184?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3dlYi9jbGllbnQvcGFnZXMvZGljdGlvbmFyeS50c3g=) | `98.9% <ø> (ø)` | | | [src/web/client/pages/tooltips.tsx](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/184?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3dlYi9jbGllbnQvcGFnZXMvdG9vbHRpcHMudHN4) | `100.0% <100.0%> (ø)` | |

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