Please fix issues reported by adapter checker

[mcm1957]

[E606] Current adapter version 2.1.0 not found in README.md
[E605] No actual year found in copyright. Please add "Copyright (c) 2023 TA2k [email protected]" at the end of README.md
[E701] No actual year found in LICENSE. Please add "Copyright (c) 2023 TA2k [email protected]" at the start of LICENSE
[W171] "common.title" is deprecated in io-package.json
[W105] "common.titleLang" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn)
[W109] "common.desc" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn)
[W145] Each "common.news" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn)
[W202] Version of package.json (2.1.0) doesn't match latest version on NPM (2.1.1)