Merge pull request #312 from SMAKSS/develop [Release] Allow specifying a custom scrollable element

chore(version): `4.2.0-beta.2` 

chore(directory): refine file settings 

fix(target): flaws on SSR and `bottom`, `right` position Also, extract types from `index.ts` to `types.ts`

fix(ci): remove semantic release 

chore(version): upgrade to stable version 4.0.4 

chore(deps): upgrade dev deps 

chore(core): add types path 

chore(core): include sourcemap into distribution 

chore(core): fix package rollup config and distribution