Generate FLIX templates from transactions & scripts

[sisyphusSmiling]

Issue To Be Solved

FLIX is a helpful tool for developers, enabling them to execute scripts & transactions from remote templates without the need to configure a project themselves will all dependencies. This is especially helpful for a project like the bridge which will likely be commonly used and has a mass of internal dependencies.

Tasks

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1. Add a cadence/flix directory to this repo containing FLIX templates of all commonly used scripts and transactions
2. Direct developers to use these templates
3. Add these templates to onflow/flow-interaction-template-service

[sisyphusSmiling]

Since FLIX templates are pinned to their dependencies, this task is blocked by #40