Add exported `rules` module

[sbagg]

Exported Rules Module

The package must export:

import { rules } from '@ucdlib/cork-cookie-manager';

rules must be an array of objects:

{
  name: string,   // unique identifier
  label: string,  // display name
  patterns: string[]
}

Notes:

• name is used internally for filtering
• label is used in the UI
• Do not assume label is unique

Include at least:

• A Google Analytics rule covering:
  • _ga
  • _gid
  • _gat
  • _ga_*

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