TFNFR4 - Lower snake_casing

ID: TFNFR4 - Category: Composition - Code Styling - lower snake_casing

Module owners MUST use lower snake_casing for naming the following:

• Locals
• Variables
• Outputs
• Resources (symbolic names)
• Modules (symbolic names)

For example: snake_casing_example (every word in lowercase, with each word separated by an underscore _)