bug: 41 bug make basic setupgeneralrcsh exit gracefully

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Issue

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Response: #41

Description

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Response: This PR fixes the bug by adding bash try/catches around possible failures, then logging and exiting with 0 in the catches

Steps to Reproduce and Test

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Response:

Delete the shared-scripts dir
Open a new terminal that would run basic-setup.generalrc.sh as part of it's initialization
It should have failed to open, but now should let you know it's failing to finish and why (it will take longer while trying to find shared-scripts)

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mrlunchbox777 / basic-setup