release: v7.0.0-rc1 (#5176)

* release: 7.0.0-rc1

* Update package.json

---------

Co-authored-by: Mimi <[email protected]>

Author: yoshinorin

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hexo",
-  "version": "6.3.0",
+  "version": "7.0.0-rc1",
   "description": "A fast, simple & powerful blog framework, powered by Node.js.",
   "main": "dist/hexo",
   "bin": {
@@ -20,6 +20,7 @@
     "dist/",
     "bin/"
   ],
+  "types": "./dist/hexo/index.d.ts",
   "repository": "hexojs/hexo",
   "homepage": "https://hexo.io/",
   "funding": {