cleanup: update README and Makefile for 1.0 (#15)

Makefile

@@ -1,4 +1,4 @@
-VERSION?=1.0.0-alpha.0
+VERSION?=1.0.0
 
 PREFIX?=$$HOME/.local
 

README.md

@@ -4,8 +4,6 @@ This repo contains the OCaml package for integrating with the [Extism](https://e
 
 > **Note**: If you're unsure what Extism is or what an SDK is see our homepage: [https://extism.org](https://extism.org).
 
-> **Note**: This repo is 1.0 alpha version of the OCaml SDK and is a work in progress. We'd love any feedback you have on it, but consider using the supported OCaml SDK in [extism/extism](https://github.com/extism/extism/tree/main/ocaml) until we hit 1.0.
-
 ## Documentation
 
 Documentation is available at [https://extism.github.io/ocaml-sdk](https://extism.github.io/ocaml-sdk)
@@ -16,8 +14,6 @@ Documentation is available at [https://extism.github.io/ocaml-sdk](https://extis
 
 For this library, you first need to install the Extism Runtime. You can [download the shared object directly from a release](https://github.com/extism/extism/releases) or use the [Extism CLI](https://github.com/extism/cli) to install it.
 
-> **Note**: This library has breaking changes and targets 1.0 of the runtime. For the time being, install the runtime from our nightly development builds on git: `sudo PATH="$PATH" env extism lib install --version git`.
-
 ### Add the library to dune
 
 Then add `extism` to your [dune](https://dune.build) depdendencies: