feat!: @waku/relay (#1316)

* move constants & core's func to @waku/utils

* setup @waku/relay

* use @waku/relay for create

* address: principal review

* fix: size-limit

* move all constants to @waku/core

* move TopicOnlyDecoder to relay

* merge: master

* fix: tests

* Move constants out of core (#1340)

* update package.lock

* change constants folder into a ts file

* use dependency version as * instead of version number

* add constants import from @waku/core

* add empty changelog file for relay

---------

Co-authored-by: fryorcraken.eth <110212804+fryorcraken@users.noreply.github.com>

Author: danisharora099

.size-limit.cjs

@@ -30,7 +30,7 @@ module.exports = [
   },
   {
     name: "Privacy preserving protocols",
-    path: "packages/core/bundle/index.js",
+    path: "packages/relay/bundle/index.js",
     import: "{ wakuRelay }",
   },
   {