Vik

Update strings.js

10

Changes: - Many translation fixes - Bug fixes, typos and other shortcomings

Later I will continue with the translation. Changes proposed in this pull request: - translation

Review this [string](https://github.com/duckduckgo/duckduckgo-locales/blob/4e2b3b86c14fba2d746f52453835c741124faa29/locales/en_US/LC_MESSAGES/duckduckgo.po#L5290). Does enabling anonymity improve accuracy?

Changes: - improved translation consistency;

Changes: - many fixes - many new translated strings

Changes: - visual correction

Typos fixed, translation upd.

Update levels.js (ru)

1

Russian ver. updated