docs: add badges to README.md

README.md

@@ -1,5 +1,12 @@
 # Obsidian Timecodes Plugin
 
+[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=gavvvr_obsidian-timecodes-plugin&metric=sqale_rating)](https://sonarcloud.io/summary/new_code?id=gavvvr_obsidian-timecodes-plugin)
+[![Installations count](https://img.shields.io/github/downloads/gavvvr/obsidian-timecodes-plugin/main.js.svg)][installation-instructions]
+[![tested with webdriver.io](https://img.shields.io/badge/tested%20with-webdriver.io-%23ea5906)](https://webdriver.io/)
+
+
+[installation-instructions]: https://help.obsidian.md/Advanced+topics/Third-party+plugins#Discover+and+install+community+plugins
+
 Turns raw timecodes (`MM:SS`/`HH:MM:SS`) into clickable links in Obsidian reading mode.
 
 ![Image](https://github.com/user-attachments/assets/a7b99077-1b18-42a8-a818-ebf0afe6d0f7)