Indexer install prompt for dojo-install.sh

tested and works pretty good, here is an example of the run

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Preparing for Indexer Prompt...
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Samourai Indexer is recommended for most users as it helps with querying balances...
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Electrum Rust Server is recommended for Hardware Wallets, Multisig, and other Electrum features...
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Skipping the installation of either Indexer option is ok! You can always install later...
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Choose one of the following options for your Indexer...
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1) Samourai Indexer
2) Electrum Rust Server
3) Do Not Install Indexer
#? 3

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Indexer will not be installed...
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Please see Wiki for FAQ, help, and so much more...
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https://wiki.ronindojo.io
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Installing Dojo...
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