Fix the syntax: It is necessary to update the markdown pages of the blog to the new syntax of version 3 #110

[Shu12388y]

Issue
It is necessary to update the markdown pages of the blog to the new syntax of version 3 #110

Fix the markdown pages

[codecov]

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[Shu12388y]

@aanthonymax Check out the PR

[aanthonymax]

@Shu12388y In the third version {{ src: "/api/getTheSquareRootOf256", after: "click:button" }} - this was replaced with this {{#request
src="/api/clicks"
after="click:#btn"
}}{{/request}}

[Shu12388y]

@aanthonymax Ok I will update it.