Please fix issues reported by adapter checker

[mcm1957]

❗ [E606] Current adapter version 2.6.2 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
👀 [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)
👀 [W513] "gulpfile.js" found in repo! Think about migrating to @iobroker/adapter-dev package