docs: use active voice

Author: ericcrosson-bitgo

README.md

@@ -13,7 +13,7 @@ TypeScript language, so we use [io-ts] to statically type this runtime data.
 [io-ts-http] builds on top of io-ts to define codecs that translate between HTTP
 requests and plain old JavaScript objects. Additionally, it provides a way to group
 these codecs into route definitions, and then collect the route definitions into an API.
-The resulting API definitions may then be used on the [client] and [server] to have
+The resulting API definitions may then be used on the [client] and [server] to provide
 type-checked and runtime-validated HTTP calls in a standardized manner.
 
 [an explicit non-goal]: