Compile as shared libraries

[edoardob90]

Adjust CMake to output libraries in the build/lib subdirectory and produce dynamic libraries. libcleed will be needed by the Python interface.

[codecov[bot]]

Codecov Report

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

Comparison is base (4143225) 100.00% compared to head (c4b8d35) 100.00%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #36 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 5 5 Lines 22 22 ========================================= Hits 22 22 ``` | [Flag](https://app.codecov.io/gh/empa-scientific-it/cleedpy/pull/36/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=empa-scientific-it) | Coverage Δ | | |---|---|---| | [python-3.10](https://app.codecov.io/gh/empa-scientific-it/cleedpy/pull/36/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=empa-scientific-it) | `100.00% <ø> (ø)` | | | [python-3.11](https://app.codecov.io/gh/empa-scientific-it/cleedpy/pull/36/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=empa-scientific-it) | `100.00% <ø> (ø)` | | | [python-3.12](https://app.codecov.io/gh/empa-scientific-it/cleedpy/pull/36/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=empa-scientific-it) | `100.00% <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=empa-scientific-it#carryforward-flags-in-the-pull-request-comment) to find out more.

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