APリファクタとLD-Signatureの検証に対応 (#6300)

* DbResolver

* inbox types

* 認証順を変更

* User/Keyあたりをまとめる

* LD-Signatue

* Validate contexts url

* LD-Signature DocumentLoaderにProxyとTimeout

src/@types/http-signature.d.ts

@@ -19,10 +19,12 @@ declare module 'http-signature' {
 		clockSkew?: number;
 	}
 
-	interface IParsedSignature  {
+	interface IParsedSignature {
 		scheme: string;
 		params: ISignature;
 		signingString: string;
+		algorithm: string;
+		keyId: string;
 	}
 
 	type RequestSignerConstructorOptions =