Chore: Move most types from rrweb to @rrweb/types package (#1031)

* Chore: Add move most types from rrweb to @rrweb/types package

* Split off type imports

* Split off type import to its own line

* Get vite to generate type definitions

* Apply formatting changes

* noEmit not allowed in tsconfig, moved it to build step

* Align version of @rrweb/types with main rrweb package

Based on @mark-fenng's comments https://github.com/rrweb-io/rrweb/pull/1031/files#r1002298176

* Move up keywords

packages/types/package.json

@@ -0,0 +1,49 @@
+{
+  "name": "@rrweb/types",
+  "version": "2.0.0-alpha.3",
+  "keywords": [
+    "rrweb",
+    "@rrweb/types"
+  ],
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -noEmit && vite build",
+    "check-types": "tsc -noEmit",
+    "prepublish": "npm run build",
+    "lint": "yarn eslint src/**/*.ts"
+  },
+  "homepage": "https://github.com/rrweb-io/rrweb/tree/main/packages/@rrweb/types#readme",
+  "bugs": {
+    "url": "https://github.com/rrweb-io/rrweb/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/rrweb-io/rrweb.git"
+  },
+  "license": "MIT",
+  "type": "module",
+  "main": "./dist/types.umd.cjs",
+  "module": "./dist/types.js",
+  "typings": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "import": "./dist/types.js",
+      "require": "./dist/types.umd.cjs"
+    }
+  },
+  "files": [
+    "build",
+    "dist"
+  ],
+  "devDependencies": {
+    "typescript": "^4.7.3",
+    "vite": "^3.2.0-beta.2",
+    "vite-plugin-dts": "^1.6.6"
+  },
+  "dependencies": {
+    "rrweb-snapshot": "^2.0.0-alpha.3"
+  },
+  "browserslist": [
+    "supports es6-class"
+  ]
+}