[WIP] feat(proxy): add interceptor with proxy support

[int3debug]

example

import com.lagradost.cloudstream3.network.ProxyInterceptor

private val proxyInterceptor = ProxyInterceptor(
    "10.0.2.2",
    1337,
    username = "int3debug",
    password = "proxytest",
    allowFallback = false,
    dnsServer = "cloudflare" // DoH keyword, DoH URL, or IP address
)

val response = app.get("http://httpbin.org/ip", interceptor = proxyInterceptor).text

[phisher98]

Nice PR Very Helpful

[int3debug]

@fire-light42 Do you have some suggestions for this?
Not yet 100% work with Custom DNS IP but otherwise work