feat(api): Subscription Reconnection

[Equartey]

Issue #, if available:

Description of changes: Provides GraphQL subscription reconnection and associated quality of life additions.

• Introduces a reconnection strategy for GraphQL Subscription web sockets.
• Monitors hardware level network changes to trigger reconnect on resume (wifi on/off, wifi to mobile, airplane mode, etc).
• Utilizes an exponential back off strategy when attempting to reconnect.
• Exposes configuration options for this retry strategy at plugin init time.
• Introduces Hub Events to allow tracking of connection status. Statuses include: -- Connected The network is connected and has active subscriptions. -- Connecting - The network is disconnected and has active subscriptions. Triggers for initial connect and reconnect events. -- PendingDisconnect - The network is connected, but has no active subscriptions. -- Disconnected - The network has been disconnected and no active subscriptions. -- Failed - The network could not be connected.

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