Migrate to use templating for tutorials

[fadeev]

Right now tutorials are repetitive and contain to much code to copy/paste.

We want to improve the tutorial flow to be:

1. Clone the template
2. Run npx hardhat omnichain or npx hardhad messaging to generate the boilerplate code (these tasks are already implemented!)
3. Make some changes to the generated code to implement desired functionality

This should make tutorials 2-3 times easier and faster to follow.

Tasks

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1. Migrate to use templating: Counter #93
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2. Migrate to use templating: Message #94
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3. Migrate to use templating: Value #95
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4. Migrate to use templating: Warriors #96
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5. Migrate to use templating: Multioutput #92
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6. Migrate to use templating: Swap #98
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7. Migrate to use templating: Withdraw #99
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8. Migrate to use templating: Bitcoin #100
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