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/page/handler.rs

@@ -187,7 +187,8 @@ fn should_extract_path_with_appid() {
 		path: EndpointPath {
 			app_id: "app".to_owned(),
 			host: "".to_owned(),
-			port: 8080
+			port: 8080,
+			using_dapps_domains: true,
 		},
 		file: None,
 		safe_to_embed: true,