fix(TS): add type defs file for pure (#696)

* fix(TS): add type defs file for pure

Closes #695

* Update pure.d.ts

Co-authored-by: Andrei Picus <485061+NiGhTTraX@users.noreply.github.com>

* Update package.json

Co-authored-by: Andrei Picus <485061+NiGhTTraX@users.noreply.github.com>

Author: kentcdodds

package.json

@@ -25,6 +25,7 @@
     "dist",
     "dont-cleanup-after-each.js",
     "pure.js",
+    "pure.d.ts",
     "types"
   ],
   "keywords": [

pure.d.ts

@@ -0,0 +1 @@
+export * from './types/pure'