feat(console-new): support default title from path

[xu-song]

What does it do?

Before this commit, we can create a post by

hexo new --path hexo/hexo-tutorial hexo-tutorial 

Hexo create a file source/_posts/hexo/hexo-tutorial.md with title title: hexo-tutorial

In many cases, the title has the same value of basename of path, this commit simplify above script

hexo new --path hexo/hexo-tutorial                # title=basename(path)  by default

How to test

git clone -b patch-1 https://github.com/xu-song/hexo.git

[coveralls]

Coverage decreased (-0.05%) to 98.696% when pulling c336d6e on xu-song:patch-1 into 58a8f8c on hexojs:master.

[github-actions]

How to test

git clone -b patch-1 https://github.com/xu-song/hexo.git
cd hexo
npm install
npm test

[stevenjoezhang]

👍