chore: install cli instructions

README.md

@@ -15,3 +15,21 @@ Not much yet:
 - You are able to add a `node`, which can be text, link or a combination.
 - You are able to search these using dense embeddings.
 - You can chat with an AI using the `nodes` stored in KG1 (RAG).
+
+## Usage
+
+The current version is for bleeding edge early adopters!
+
+Install the CLI from NPM:
+
+```
+npm i kg1-cli -g
+```
+
+You can now use the CLI, locally to interact with KG1:
+
+```
+kg1 add "A new note about something which is very interesting!"
+kg1 search "how do racoons make love?"
+kg1 chat "why is the world flat?"
+```