update cli docs

packages/cli/README.md

@@ -1,7 +1,37 @@
-# cli
+# Opticks CLI
+
+## Usage
+
+```shell
+npx opticks-cli clean
+
+// OR
+
+npx opticks clean id=EXPERIMENT-ID winner=A|B
+```
 
 ## Running locally
 
+First you will need to install dependencies and build the CLI in watch mode
+
+```shell
+cd opticks
+yarn install
+cd packages/cli && yarn build:watch
 ```
-cd packages/cli && node dist/index.js
+
+In a separate terminal window, create a symlink for `opticks-cli`
+
+```shell
+cd opticks
+npm link
+```
+
+Navigate to your consumer project and link `opticks-cli`
+
+```shell
+cd opticks-consumer-project
+npm link opticks-cli
+
+opticks-cli clean
 ```