Update readme

Author: binaryfire

.github/workflows/docker-image.yml

@@ -38,4 +38,4 @@ jobs:
         password: ${{ secrets.DOCKER_PAT }}
         repository: ${{ vars.DOCKER_USERNAME }}/kv
         readme-filepath: ./README.md
-        short-description: "Lightweight key-value store with HTTP API. Built using ReactPHP and SQLite"
+        short-description: "Lightweight, high performance key-value store with HTTP API. Built with ReactPHP and SQLite"

README.md

@@ -9,15 +9,15 @@ This project provides a simple, performant and resource-efficient key-value stor
 ## Features
 
 *   RESTful HTTP API
-*   Persistent storage via SQLite
+*   Persistent (optional) storage via SQLite
 *   Low resource usage (typical memory usage ~35MB, negligible CPU usage)
 *   Simple GET/PUT/DELETE operations
 
 ## Getting started
 
 ### Running with Docker
 
-Run the container with default settings:
+Run the container:
 
 ```
 docker run --name kv -p 8080:8080 binaryfire/kv:latest