ci: 精简 GitHub Actions 工作流名称并删除冗余 LICENSE 文件

- 缩短工作流名称以提升可读性
- 删除文档目录下重复的许可证文件

.github/workflows/create_release.yml

@@ -1,4 +1,4 @@
-name: Check and Create Release
+name: Create Release
 
 on:
   push:

.github/workflows/docs.yml

@@ -1,4 +1,4 @@
-name: Build and Deploy
+name: Build and Deploy Docs
 on: [push]
 jobs:
   build-and-deploy:

.github/workflows/npm_publish.yml

@@ -1,4 +1,4 @@
-name: Publish widget to npm
+name: Publish npm
 
 on:
   push: