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

package.json

@@ -53,6 +53,7 @@
 		"@types/cbor": "5.0.0",
 		"@types/dateformat": "3.0.1",
 		"@types/double-ended-queue": "2.1.1",
+		"@types/escape-regexp": "0.0.0",
 		"@types/glob": "7.1.1",
 		"@types/gulp": "4.0.6",
 		"@types/gulp-rename": "0.0.33",
@@ -60,6 +61,7 @@
 		"@types/is-url": "1.2.28",
 		"@types/js-yaml": "3.12.3",
 		"@types/jsdom": "16.2.1",
+		"@types/jsonld": "1.5.1",
 		"@types/katex": "0.11.0",
 		"@types/koa": "2.11.3",
 		"@types/koa-bodyparser": "4.3.0",
@@ -126,6 +128,7 @@
 		"dateformat": "3.0.3",
 		"diskusage": "1.1.3",
 		"double-ended-queue": "2.1.0-0",
+		"escape-regexp": "0.0.1",
 		"eslint": "6.8.0",
 		"eslint-plugin-vue": "6.2.2",
 		"eventemitter3": "4.0.0",
@@ -156,6 +159,7 @@
 		"jsdom": "16.2.2",
 		"json5": "2.1.3",
 		"json5-loader": "4.0.0",
+		"jsonld": "3.1.0",
 		"jsrsasign": "8.0.15",
 		"katex": "0.11.1",
 		"koa": "2.11.0",