Jetpack Compose - Phase I (#140)

* Completed Phase I

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Upgraded Kotlin to `1.8.10`

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Migrated `Transformations.map`

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Made `useDarkTheme` nullable

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Moved version check

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Removed custom theme

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Optimized and updated dependencies

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Using Compose-based AboutLibraries

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Added header

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Updated compose compiler

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Moved info header to its own function

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Simplified layout

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Increased logo padding

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Use ComponentActivity; small layout changes

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Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>
Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>
Co-authored-by: Ricki Hirner <hirner@bitfire.at>