minor amend

Author: IvanLauLinTiong

.env.example

@@ -0,0 +1 @@
+OPENAI_API_KEY=YOUR_API_KEY_HERE

README.md

@@ -1 +1,19 @@
 # Self-Intro-LLM-App
+
+## Architecture
+
+The architecture of the applcation is as followed:
+
+![architecture](./assets/)
+
+## Setup
+
+```docker
+
+```
+
+## Env Variable
+
+Rename the `.env.example` to `.env` and set your OpenAI API Key.
+
+## Future Works