[BUG] Unable to run on Linux after following the readme steps

[Tyrben]

I will complete this bug report tonight (i'm just currently not on the proper OS)

Describe the bug
Too many undocumented steps to prepare the script running:

• install python3 explicitly (many linux distro still use python2 by default)
• install python3-venv
• install python3-setuptools
• install rust compiler
  A clear and concise description of what the bug is.

Log file

 error: manifest path `Cargo.toml` does not exist

To Reproduce
Steps to reproduce the behaviour:

1. Install python 3.7 via the package manager (apt-get for me)
2. Download latest launcher from https://github.com/mazurwiktor/albion-online-stats/releases/latest (albion-online-stats.sh for linux - which is in reality the same as launchers/albion-online-stats.sh)
3. Cd to the root or the cloned repo
4. Past the albion-online-stats.sh
5. Execute it

Expected behaviour
A clear and concise description of what you expected to happen.
Notice there is this another ticket #83 were I asked how not to install, but just run the app. I think they are related, because installing is a bigger leap than just running it in the cloned directory.

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. Windows]

Additional context
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