create search type components

[serapath]

@todo

• make search type: solidity version
  • UI component
  • AST analysis module
• make search type: publish date
  • UI component
  • analysis module
• make search type: dependencies
  • UI component
  • AST analysis module
• make search type: text
  • UI component
  • analysis module
• make search type: audited
  • UI component
  • information retrieval module
• make search type: verified
  • UI component
  • analysis module

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