[Feature] Add suport for using plugins in router

[YourTechBud]

• Create a Use method which accepts any type implementing an interface which looks like:

  type PluginImpl interface {
      Name() string
      Driver() string
  }

• Then make a struct which implements the above interface

  type PluginDetails struct{
      Name, Driver string
  }

• Use may be called multiple times. Simply add the plugins passed to it in an internal array.
• Use can accept multiple plugins in a single invocation. Consider spreading input parameter.
• The router will add the array of plugins registered to x-sc-plugins extension in the OpenAPI Operation Object of each registered handler.

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