feature: Add Http Scheme to Context

[davidhadas]

Feature Description

Context now include:

type Context struct {
	Direction Direction
	Method    string
	Host      string
	Path      string
	Headers   http.Header
	Body      []byte 
    ...
} 

Proposed Solution

Add Scheme to the Context:

type Context struct {
	Direction Direction
	Method    string
         Scheme  string           // "http" or "https"
         Host      string
	Path      string
	Headers   http.Header
	Body      []byte 
    ...
} 

Want to contribute?

• I would like to work on this issue.

Additional Context

Allow plugins know the request scheme