fix/code cleaning

feat: dependencies updated

fix: styles cleared

fix: some fixes

fix: renamed interfaces folder to types

fix: global theme styles

fix: code cleaning #3 (imports, types, helpers)

fix: improving page imports

fix: reorganization of imports in components

feat: reorganization of file structure

feat: code cleaning #2

feat: code cleaning #1

chore: interfaces folder moved to src

feat: ordered deps, added Next eslint, fixes

fix: page meta description, keywords, styles fix