feat: #6 support environment variables

[miquelbeltran]

feat: #6 support environment variables

Description 📝

• Purpose: Add support for Environment variables for common config params, e.g. the App ID
• Approach: Created a config params loading class that uses env variables if the arguments are not provided.

Type of change

• New feature (non-breaking change which adds functionality)

Updates

• Created config_props.dart which loads common configuration parameters.
• Created environment.dart which allows to override Environment variables for testing.
• Added tests in config_props_test.dart.
• Modified the commands symbols and sourcemap to use the config props class.
• Updated documentation.
• Cleanup the "print usage" method.

Screenshots 📷

e.g. calling to symbols list with env variables:

(--verbose prints the config params)

Test plan 🧪

Tested manually and created unit test

Author to check 👓

• Project and all contained modules builds successfully
• Self-/dev-tested
• Unit/UI/Automation/Integration tests provided where applicable
• Code is written to standards
• Appropriate documentation written (code comments, internal docs)

Reviewer to check ✔️

• Project and all contained modules builds successfully
• Change has been dev-/reviewer-tested, where possible
• Unit/UI/Automation/Integration tests provided where applicable
• Code is written to standards
• Appropriate documentation written (code comments, internal docs)

[Olwiba]

The code looks good to me, I will leave an approval for someone else to get a second set of eyes :)

[phillip-haydon]

🌯

[phillip-haydon]

Woops forgot to change Comment > Approve :)

Edit: Oh it needs @TheRealAgentK to approve too.

[TheRealAgentK]

LGTM