updates readme

Cargo.toml

@@ -1,11 +1,11 @@
 [package]
 name = "barnsley"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 authors = ["Marcus Hughes <hughes.jmb@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = "iterated function system image generator"
-documentation = "https://docs.rs/barnsley/latest/"
+# documentation = "https://docs.rs/barnsley/latest/"
 repository = "https://github.com/jmbhughes/barnsley"
 keywords = ["image-generation", "iterated-function", "ifs", "mathematical-images"]
 categories = ["mathematics", "multimedia::images", "rendering"]

README.md

@@ -7,7 +7,9 @@ Make your own images like this! Look at at all the variety in the [examples](exa
 This is based upon [pyifs](https://github.com/jtauber/pyifs) written by [James Tauber](https://github.com/jtauber) for Python. 
 
 ## How to run
-You can run from a template or a config.
+First, install with `cargo install barnsley`. 
+
+Then, you can run from a template or a config.
 
 ### From a template
 A template toml file specifies the image properties, the evaluation properties, and which transforms to run. 
@@ -17,15 +19,15 @@ You can use the `construct` command in the program to generate a specific instan
 to create an image. 
 
 1. Clone this repo
-2. Using Rust, run `cargo run --release construct example_template.toml > test.json`
+2. Using Rust, run `barnsley construct example_template.toml > test.json`
 3. Look at your picture in the test.png file and the configuration in test.json
 
 ### From a config
 A config json file specifies the image properties, the evaluation properties, and the specific parameters of transforms. 
 It can be used to recreate an image at a later date. 
 
 1. Clone this repo
-2. Using Rust, run `cargo run --release construct examples/example7.json`
+2. Using Rust, run `barnsley construct examples/example7.json`
 3. Look at the example7.png file to see the result. Note how it matches the one in the examples directory!