Update CI for main branch and add badges

- GitHub Actions CI triggers on main instead of master
- Add badges: gem version, CI status, code quality, license

Author: voltechs

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
 
 jobs:
   test:

README.md

@@ -1,9 +1,14 @@
+[![Version     ](https://img.shields.io/gem/v/him.svg)](https://rubygems.org/gems/him)
+[![CI Status   ](https://github.com/TwilightCoders/him/actions/workflows/ci.yml/badge.svg)](https://github.com/TwilightCoders/him/actions/workflows/ci.yml)
+[![Code Quality](https://img.shields.io/badge/code%20quality-qlty-blue)](https://qlty.sh/gh/TwilightCoders/him)
+[![License     ](https://img.shields.io/github/license/TwilightCoders/him.svg)](https://github.com/TwilightCoders/him/blob/main/LICENSE)
+
 # Him
 
 Him is an ORM (Object Relational Mapper) that maps REST resources to Ruby objects.
 It is designed to build applications that are powered by a RESTful API instead of a database.
 
-Forked from [Her](https://github.com/remi/her) and modernized for current Ruby/Rails.
+The spiritual successor of [Her](https://github.com/remi/her), modernized for current Ruby/Rails.
 
 **Requirements:** Ruby >= 3.1, ActiveModel >= 6.1, Faraday >= 2.0