yoadwo cb2241acd6 adding "solid-principle" (#35663) ...

* adding "solid-principle"

* added title for front matter block

* Update guide/english/design-patterns/solid-principle/index.md

Co-Authored-By: yoadwo <yoadw20@gmail.com>

2019-03-24 08:01:58 -07:00

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index.md

adding "solid-principle" (#35663)

2019-03-24 08:01:58 -07:00