Update README to include releases link

README.md

@@ -1,8 +1,9 @@
 # function-runner
 
-[About this repo](#about-this-repo) |  [Commands](#commands-optional) | [How to use this repo](#how-to-use-this-repo)
+[About this repo](#about-this-repo) | [Usage](#usage) | [Development](#development)
 
 ## About this repo
+
 **Introduction:**
 
 This is a simple CLI (`function-runner`) which allows you to run Wasm
@@ -15,32 +16,19 @@ current directory. This may be overriden using the `-f` option.
 
 Example: `function-runner -f '../my-function-name.wasm' '../my-input.json'`
 
-## Commands (optional)
+## Usage
+
+If you wish to use `function-runner` without compiling it, the [Releases](https://github.com/Shopify/function-runner/releases) page
+contains binaries that can be run on your computer.
 
-* `cargo install --path .` : Build and install the `function-runner` command.
-* `function-runner` : Execute Functions.
+To see the list of possible commands and arguments, run `function-runner --help`.
 
-## How to use this repo
+## Development
 
 Building requires a rust toolchain of at least `1.56.0` (older may work). `cargo install --path .` will build
 and add the `function-runner` command to your path.
 
-### Usage
-
-```
-$ function-runner --help
-function-runner 3.0.0
-Simple function runner which takes JSON as a convenience
-
-USAGE:
-    function-runner [OPTIONS] <INPUT>
-
-ARGS:
-    <INPUT>    Path to json file containing function input
+### Commands
 
-OPTIONS:
-    -h, --help               Print help information
-    -j, --json               Log the run result as a JSON object
-    -f, --function <FUNCTION>    Path to wasm/wat function [default: function.wasm]
-    -V, --version            Print version information
-```
+- `cargo install --path .` : Build and install the `function-runner` command.
+- `function-runner` : Execute a Function.