fix: add scss sample subapp v2

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[arunvishnun]

@shubham2811 It may require a changelog created - https://github.com/electrode-io/electrode/blob/master/CONTRIBUTING.md#developer-flow

[shubham2811]

@shubham2811 It may require a changelog created - https://github.com/electrode-io/electrode/blob/master/CONTRIBUTING.md#developer-flow

@arunvishnun Done