None Issue - Fixed URL typos on 'install.sh' and 'README.md'.

Fixes # (issue)

Description

Just changed URLs on install.sh and README.md, which sends the user to a 404 not found address.

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Please select relevant options.

[ ] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] This change requires a documentation update

[ ] My code follows the contribution guidelines of this project
[ ] I have performed a self-review of my own code
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] My changes generate no new warnings
[ ] I formatted the code with cargo fmt
[ ] I checked my code using cargo clippy and reports no warnings
[ ] I have added tests that prove my fix is effective or that my feature works
[ ] I have introduced no new C-bindings
[ ] The changes I've made are Windows, MacOS, UNIX, Linux compatible (or I've handled them using cfg target_os)
[ ] I increased or maintained the code coverage for the project, compared to the previous commit

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