Resolving URLs from contract (#1964)

* Fetching dapp from github.

* Unpacking dapp

* Removing hardcodes

* Proper Host validation

* Randomizing paths

* Splitting into files

* Serving donwloaded apps from different path

* Extracting URLHint to separate module

* Whitespace and docs

* Resolving from URLHint contract

* Fixing test

* Resolving githubhint url from registrar

* Proper redirections

* Fixing test

* fixing ethstore [ci skip]

* Correct version of registrar

* Removing superfluous Box

dapps/src/endpoint.rs

@@ -24,6 +24,7 @@ pub struct EndpointPath {
 	pub app_id: String,
 	pub host: String,
 	pub port: u16,
+	pub using_dapps_domains: bool,
 }
 
 #[derive(Debug, PartialEq, Clone)]