[CIRCLE-12198] Update instructions to include CircleCI token (#17)

* Update Server instructions

README.md

@@ -6,16 +6,26 @@ This project is the seed for CircleCI's new command-line application.
 
 ### 1. Get the latest binary
 
-Download the [latest release](https://github.com/CircleCI-Public/circleci-cli/releases/latest) from GitHub for your operating system. If you're on a Mac, this would be `circleci-cli_0.1.X_darwin_amd64.tar.gz`.
+Download the [latest release](https://github.com/CircleCI-Public/circleci-cli/releases/latest) from GitHub for your operating system. If you're on a Mac, this would be `circleci-cli_0.1.XXX_darwin_amd64.tar.gz`.
 
 ### 2. Put the binary in your $PATH
 
 ```
-$ tar -xvzf circleci-cli_0.1.X_darwin_amd64.tar.gz
+$ tar -xvzf circleci-cli_0.1.XXX_darwin_amd64.tar.gz
 $ mv circleci /usr/local/bin
 $ circleci help
 ```
 
+### 3. Add a Token
+You may first need to generate a CircleCI API Token from the [Personal API Token tab](https://circleci.com/account/api).
+
+```
+$ circleci configure 
+```
+
+If you are using this tool on `.com`. accept the provided default `CircleCI API End Point`. If you are using it on Server, change the value to your Server address (i.e. `circleci.my-org.com`).
+
+
 ## Validate A Build Config
 
 To ensure that the tool is installed, you can use it to validate a build config file.