Update styling; license bookkeeping; add play store link

[codecov[bot]]

Codecov Report

Patch coverage: 100.0% and no project coverage change.

Comparison is base (3157548) 92.6% compared to head (17cc252) 92.6%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #191 +/- ## ===================================== Coverage 92.6% 92.6% ===================================== Files 47 48 +1 Lines 2654 2662 +8 Branches 378 380 +2 ===================================== + Hits 2458 2466 +8 Misses 192 192 Partials 4 4 ``` | [Impacted Files](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/191?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/about.tsx](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/191?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3dlYi9jbGllbnQvcGFnZXMvYWJvdXQudHN4) | `100.0% <ø> (ø)` | | | [src/common/lewis\_and\_short/ls\_display.ts](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/191?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL2NvbW1vbi9sZXdpc19hbmRfc2hvcnQvbHNfZGlzcGxheS50cw==) | `88.0% <100.0%> (+<0.1%)` | :arrow_up: | | [src/web/client/components/footer.tsx](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/191?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3dlYi9jbGllbnQvY29tcG9uZW50cy9mb290ZXIudHN4) | `100.0% <100.0%> (ø)` | | | [src/web/client/pages/dictionary.tsx](https://app.codecov.io/gh/nkprasad12/morcus-net/pull/191?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3dlYi9jbGllbnQvcGFnZXMvZGljdGlvbmFyeS50c3g=) | `98.9% <100.0%> (+<0.1%)` | :arrow_up: |

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