docs: update project description for improved clarity and specificity

Signed-off-by: Y.Hisaki <yhisaki31@gmail.com>

Author: yhisaki

Doxyfile

@@ -54,7 +54,7 @@ PROJECT_NUMBER         = 0.1.0
 # for a project that appears at the top of each page and should give viewers a
 # quick idea about the purpose of the project. Keep the description short.
 
-PROJECT_BRIEF          = "A C++ plotting library for expressive, interactive, and streaming data visualization"
+PROJECT_BRIEF          = "A C++ plotting library for expressive, interactive, real-time & streaming data visualization"
 
 # With the PROJECT_LOGO tag one can specify a logo or an icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55

README.md

@@ -1,6 +1,6 @@
 <div align="center">
   <h1>🚀 Plotly.cpp</h1>
-  <p><strong>A C++ plotting library for expressive, interactive, and streaming data visualization</strong></p>
+  <p><strong>A C++ plotting library for expressive, interactive, real-time & streaming data visualization</strong></p>
 
 ![Build Status](https://img.shields.io/github/actions/workflow/status/yhisaki/plotly.cpp/ci.yml?branch=main)
 [![Documentation](https://img.shields.io/badge/docs-Doxygen-blue.svg)](https://yhisaki.github.io/plotly.cpp/)