[Mobile] Add Rudder client library for telemetry.

Description

Add the rudder client library for sending telemetry events to Rudder. This may be in addition to (or instead of) segment at the outset - to be confirmed between mobile team and Alex (bizops).

QA Test Steps

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Mana

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Assignee

Unassigned

QA Assignee

None

Reporter

George Goldberg

Epic Link

Fix versions

Mattermost Team

Mobile

Sprint

None

Labels

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QA Testing Areas

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GitHub Issue

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Components

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Configure