update README

Author: makeecat

README.md

@@ -1,6 +1,4 @@
 # [![Peng](assets/Peng.svg)](https://github.com/makeecat/Peng)
-![GitHub last commit](https://img.shields.io/github/last-commit/makeecat/peng)
-![](https://img.shields.io/badge/Rust-1.80+-orange.svg)
 [![License](https://img.shields.io/badge/license-MIT%2FApache-blue.svg)](https://github.com/makeecat/Peng#license)
 [![Crates.io](https://img.shields.io/crates/v/peng_quad.svg)](https://crates.io/crates/peng_quad)
 [![Downloads](https://img.shields.io/crates/d/peng_quad.svg)](https://crates.io/crates/peng_quad)
@@ -9,7 +7,7 @@
 [![dependency status](https://deps.rs/repo/github/makeecat/peng/status.svg)](https://deps.rs/repo/github/makeecat/peng)
 [![Gitter](https://img.shields.io/gitter/room/peng/peng)](https://app.gitter.im/#/room/#peng:gitter.im)
 ## What is Peng
-Peng is a minimal Rust-based quadrotor simulation pipeline. It includes a simulator, controller, and planner, providing a basic framework for simulating quadrotor dynamics and control.
+Peng is a minimal quadrotor autonomy framework in Rust. It includes a simulator, controller, and planner, providing a basic framework for simulating quadrotor dynamics and control.
 ![demo](assets/Peng_demo.gif)
 ## Getting Started
 
@@ -88,31 +86,6 @@ We chose the name Peng because our pipeline is flexible and can transform to sui
 
 Reference: https://en.wikipedia.org/wiki/Peng_(mythology)
 
-## Line Count
-I would like to thank [tokei](https://github.com/XAMPPRocky/tokei) for providing the line count statistics!
-My goal is to keep the project minimal and easy to understand by keeping the code line count below 1500.
-The markdown lines are used for generating the documentation.
-```markdown
-===============================================================================
- Language            Files        Lines         Code     Comments       Blanks
-===============================================================================
- SVG                     1            1            1            0            0
- TOML                    1           38           37            0            1
- YAML                    1          121           98            9           14
--------------------------------------------------------------------------------
- Markdown                4          283            0          215           68
- |- BASH                 1            6            6            0            0
- |- Markdown             1           18            0           18            0
- (Total)                            307            6          233           68
--------------------------------------------------------------------------------
- Rust                    3         1516         1492            8           16
- |- Markdown             2         1200            0         1192            8
- (Total)                           2716         1492         1200           24
-===============================================================================
- Total                  10         1959         1628          232           99
-===============================================================================
- ```
-
 ## Blog posts
 - [Peng #1: Minimal quadrotor pipeline in Rust](https://yangrobotics.com/peng-1-minimal-quadrotor-pipeline-in-rust)
 - [Peng #2: Error Handling, Configuration System and Obstacle Avoidance Planner](https://yangrobotics.com/peng-2-error-handling-configuration-system-and-obstacle-avoidance-planner)