Updated run.sh

[salihmarangoz]

• Updated .gitignore
• Updating pip in run.sh
• Updating gdown in run.sh This may be better in the long term.
• Since the requirements.txt is generated using Python 3.10, creating virtualenv is also restricted to this version.
• Extracting bit.ly redirection using curl since gdown does not work.
• Looks like tkinter installation is different for each distribution. Automation of this installation may be quite messy.

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