chore: Update README

README.md

@@ -1,55 +1,66 @@
 # envset
 
-`envset` is a CLI for setting environment variables in .env files. this is something you may have never considered needing a specialized tool for. and you don't. but just like updating a git config it's just more fun doing it with a command.
+`envset` is a CLI for setting environment variables in .env files.
+
+this is something you may have never considered needing a specialized tool for.
+and you don't.
+but just like updating a git config it's more fun with a command.
 
 ## installation
 
-available on homebrew and cargo:
+currently available on homebrew and [cargo](https://crates.io/crates/envset)
 
 ```bash
 brew install schpet/tap/envset
 ```
+
 ```bash
 cargo install envset
 ```
 
 ## usage
 
-### set variables
+### set vars
 
 ```bash
-# basic usage
+# basic usage, FYI that it prints a diff of the changes to stdout
 envset KEY1=value1 KEY2=value2
 
+# some things are normally very annoying to add, like json or multiline strings
+# but envset has your back!
+envset JSON="$(cat credentials.json)" PRIVATE_KEY="$(openssl genrsa -out /dev/stdout 2048)"
+
 # pipe in stdin, useful for copying stuff from one env to another
 echo -e "KEY1=value1\nKEY2=value2" | envset
 
-# .env in the cwd is default, but you can use a different path
-envset --file .env.test KEY1=value1
+# heroku users can easily copy parts of their config
+heroku config -s | grep "^AWS_" | envset
 
-# avoid clobbering existing values
-envset --no-overwrite KEY1=newvalue1
+# override the default path to a .env file
+envset -f .env.test KEY1=value1
 ```
 
-### get variables
+### read vars
 
 ```bash
-# print all key value pairs 
+# a few ways to print the current .env
 envset
+envset print --json
 
-# print a single value
+# grab a single value
 envset get KEY1
 
-# print all keys
+# keys only, thanks
 envset keys
 ```
 
-### delete variables
+### delete vars
 
 ```bash
 envset delete KEY1 KEY2
 ```
 
 ## about
 
-this cli was thrown together quickly with [aider](https://aider.chat/), i also put up [a blog post](https://schpet.com/linklog/envset-updates-env-files) explaining why i made this.
+this cli was thrown together quickly with [aider](https://aider.chat/),
+i also put up [a blog post](https://schpet.com/linklog/envset-updates-env-files) explaining why i made this.