Apply changes based on feedback

[whoabuddy]

This PR tidies up some little things based on feedback:

• makes button gray if disabled because user vote is detected
  • fixes #23
• adds a link to claim a badge at stx.eco after voting
  • fixes #24
  • fixes #21
• refactors the page body into separate components
• updates already voted check to use start height of 82914
  • fixes #25
• updates voting language and fixes #27

[Hero-Gamer]

LFG!

[cloudflare-workers-and-pages[bot]]

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