Update Accio Readme (#357)

* update readme

* update icon and link

* update icon

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README.md

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-# Accio
+<p align="center">
+  <img src="https://imgur.com/xUamgKl.png" width="1000" >
+</p>
 
-This project is a metric layer framework which follow Postgres Wire Protocol to communicate with its client.
-Its codebase is based on [Trino](https://github.com/trinodb/trino) project and the part of
-Postgres Wire Protocol in [CrateDB](https://github.com/crate/crate) project.
+<p align="center">
+  <a aria-label="Canner" href="https://cannerdata.com/">
+    <img src="https://img.shields.io/badge/%F0%9F%A7%A1-Made%20by%20Canner-orange?style=for-the-badge">
+  </a>
+  <a aria-label="License" href="https://github.com/Canner/vulcan-sql/blob/develop/LICENSE">
+    <img alt="" src="https://img.shields.io/github/license/canner/vulcan-sql?color=orange&style=for-the-badge">
+  </a>
+  <a aria-label="Join the community on GitHub" href="https://discord.gg/ztDz8DCmG4">
+    <img alt="" src="https://img.shields.io/badge/-JOIN%20THE%20COMMUNITY-orange?style=for-the-badge&logo=discord&logoColor=white&labelColor=grey&logoWidth=20">
+  </a>
+</p>
 
-# How to build
+## What is Accio
 
-```shell
-mvn clean install -DskipTests
-```
+Define relationships, metrics, and expressions consistently with [Accio](https://www.getaccio.ai/). Experience a unified data view and let us generate on-demand SQL for a
+composable, reusable approach.
 
-# How to Run
+Accio unites your data in one expansive view, putting an end to scattered metrics and inconsistent queries. We enable the definition of relationships and easy computation of
+metrics. By generating SQL on-demand, we ensure a consistent, composable, and reusable approach, making data analytics smoother and more efficient.
 
-## Required Configuration
+![overview of Accio](https://imgur.com/o8sdYRC.png)
 
-- `etc/config.properties`
+## Examples
 
-for bigquery settings
+Need Inspiration?! Discover a [selected compilation of examples](https://www.getaccio.ai/docs/example/tpch) showcasing the use of Accio!
 
-```
-node.environment=
-bigquery.project-id=         # The target BigQuery project
-bigquery.credentials-key=    # based 64 credentials key
-bigquery.location=           # BigQuery execution region
-bigquery.bucket-name=        # GCS bucket name
-duckdb.storage.access-key=   # GCS storage access key
-duckdb.storage.secret-key=   # GCS storage secret key
-accio.file=                  # accio mdl json file path
-```
+## Installation
 
-- VM options
+Please visit [the installation guide](https://www.getaccio.ai/docs/get-started/installation).
 
-```
--Dconfig=etc/config.properties   # the path of config file
-```
+## How Accio works?
+
+💻 **Modeling**
+
+Accio introduces a powerful Model Definition Language (MDL) enabling you to shape your data effortlessly. Transform your tables into `Models` and establish connections
+using `Relations`. Unlock the true potential of Business Intelligence (BI) by formulating impactful `Metrics` with Accio's intuitive MDL.
+
+🚀 **Access**
+
+Accio offers a join-free SQL solution that allows users to query models as if accessing one expensive view. Focuses on enabling users to effortlessly perform BI-style queries.
+Traditional SQL users can easily write readable and semantically rich SQL queries that are also easy to maintain.
+
+🔥 **Deliver**
+
+Accio implements the PostgreSQL Wire Protocol for easy integration, enabling users to effortlessly deliver data to existing systems and various tools, such as BI tools and Database
+IDEs.
+
+## Documentation
+
+More details, please see our [documentation](https://www.getaccio.ai/docs/get-started/intro)!
+
+## Community
+
+- Welcome to our [Discord server](https://discord.gg/ztDz8DCmG4) to give us feedback!
+- If there is any issues, please visit [Github Issues](https://github.com/Canner/accio/issues).
+
+## Special Thanks
+
+- [Trino](https://github.com/trinodb/trino)
+
+  Accio's SQL analysis layer is fundamentally based on a modified version of Trino's SQL analysis engine. Trino's clean, readable, and maintainable SQL analysis layer served as a
+  significant inspiration, allowing us to focus more on researching and exploring Accio's syntax and models.
+- [CrateDB](https://github.com/crate/crate)
+
+  Accio's PostgreSQL Wire Protocol is inspired by CrateDB. CrateDB's implementation of the PostgreSQL Wire Protocol is very clear and easy to maintain, which significantly helped
+  us clarify the focus and architecture during the early development stages. This allowed us to concentrate on researching and exploring Accio's syntax and models.