feat: Enable WebIde to navigate to line in project

Joseph Fletcherrequested to merge
jf-open-webide-at-line into main

Issue: Web IDE doesn't open file at specified line number (#442)

What does this MR do and why?

This MR allows the Web IDE to open file at specific line number provided in the URL in the format of #L{line_number} so that we can create links that open files at specific line numbers in Web IDE.

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Before After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

  1. Start Web IDE locally
  2. Add line number and file path params to url ex: https://main.127.0.0.1.nip.io:8000/?lineRange=14&filePath=README.md
  3. Press the Start Gitlab Web IDE button
Edited by Joseph Fletcher

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