Please fix issues reported by adapter checker

[mcm1957]

❗ [E802] No topics found in the repository. Please go to "https://github.com/ioBroker/ioBroker.openweathermap", press the settings button beside the about title and add some topics.
👀 [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)
👀 [W156] Adapter should support admin 5 UI (jsonConfig) if you do not use a React based UI
👀 [W513] "gulpfile.js" found in repo! Think about migrating to @iobroker/adapter-dev package
👀 [W505] setTimeout found in "main.js", but no clearTimeout detected