Implement Mihon's spotless PR (#1257)

* Remove detekt (mihonapp/mihon#1130)

Annoying. More annoying in this project.

(cherry picked from commit 777ae2461e1eb277a3aa0c998ff69e4f100387a1)

* Add spotless (with ktlint) (mihonapp/mihon#1136)

(cherry picked from commit 5ae8095ef1ed2ae9f98486f9148e933c77a28692)

* Address spotless lint errors (mihonapp/mihon#1138)

* Add spotless (with ktlint)

* Run spotlessApply

* screaming case screaming case screaming case

* Update PagerViewerAdapter.kt

* Update ReaderTransitionView.kt

(cherry picked from commit d6252ab7703d52ecf9f43de3ee36fd63e665a31f)

* Generate locales_config.xml in build dir

(cherry picked from commit ac41bffdc97b4cfed923de6b9e8e01cccf3eb6eb)

* Address more spotless lint errors in SY

* some more missed

* more missed

* still missing, not sure while it won't report error when running locally

* one more

* more

* more

* correct comment

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Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

CONTRIBUTING.md

@@ -24,10 +24,6 @@ Before you start, please note that the ability to use following technologies is
 - [Android Studio](https://developer.android.com/studio)
 - Emulator or phone with developer options enabled to test changes.
 
-## Linting
-
-Run the `detekt` gradle task. If the build fails, a report of issues can be found in `app/build/reports/detekt/`. The report is availble in several formats and details each issue that needs attention. 
-
 ## Getting help
 
 - Join [the Discord server](https://discord.gg/tachiyomi) for online help and to ask questions while developing.