Updated documentation: How to run API Dash code in PHP (cURL)

[Jacopo-Felluga]

PR Description

With this PR i have updated documentation: How to run API Dash code, particularly the PHP (cURL) section

Related Issues

• Documentation contributions are welcome! #527

Checklist

• [*] I have gone through the contributing guide
• [*] I have updated my branch and synced it with project main branch before making this PR
• [*] I am using the latest Flutter stable branch (run flutter upgrade and verify)
• [*] I have run the tests (flutter test) and all tests are passing

Added/updated tests?

We encourage you to add relevant test cases.

• Yes
• [*] No, and this is why: Because i only updated the documentation

OS on which you have developed and tested the feature?

• Windows
• [*] macOS
• Linux

[ashitaprasad]

Thanks @Jacopo-Felluga

[Jacopo-Felluga]

@ashitaprasad you're welcome. In the next days i'll work on the other sections !