fix: name, brand use, one-person wording and locale polish

[datlechin]

• LICENSE and LICENSE-CONTENT name the copyright holder Dat Ngo Quoc
• /about: a short statement on using the name and logo, in all 12 languages
• Privacy policy: access to the systems is limited to the publisher and the providers under Who receives data, in all 12 languages; updatedAt 2026-10-09
• Japanese and Korean legal pages: 当社 and 당사/저희 become 運営者 and 운영자; Korean FAQ drops 당사
• Blog index copy no longer credits a "TablePro team", in all 12 languages
• Traditional Chinese prices read US$2.99, on pricing and comparison pages
• German headings hyphenate long words (hyphens: auto, words of 12 letters or more)
• /vi/blog is indexed, in the sitemap and paired with /blog by hreflang; other languages' blog indexes stay noindex
• iPhone post: new OG punchline without an engine count, card regenerated