message: fix(map): disable zoom on mobile
diff: <meta name="twitter:image:alt" content="Reach 4 Help / Unifying help around the world.">
  <link rel="icon" href="%PUBLIC_URL%/favicon.ico"/>
  - <meta name="viewport" content="width=device-width, initial-scale=1"/>
  + <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/>
  <meta name="theme-color" content="#000000"/>
  <link rel="shortcut icon" type="image/png" href="https://map.reach4help.org/logo32.png"/>
  