docs: FlowYieldVaults v1 Supported Features reference

[vishalchangrani]

Summary

• Adds docs/v1_supported_features.md — a reference doc for the first version of FlowYieldVaults
• Covers supported strategies, FLOW-only deposits, YieldToken output, 10-min auto-rebalancing, health factors, fees, and closed-beta access control
• Open items flagged inline for team confirmation before finalization

What's documented

Section	Details
Strategies	TracerStrategy, mUSDCStrategy, mUSDFStrategy (v1.1), simple ERC4626 strategies
Input token	FLOW only
Output token	YieldToken
Rebalancing	10 min interval, 0.95/1.05 thresholds, FlowTransactionScheduler
Health factors	Target 1.30, min 1.10, liquidation target 1.05
Fees	Scheduling (FLOW), insurance reserve (0.1%), dynamic interest
Access	Closed-beta via BetaBadge

Open Items to Resolve

1. Minimum deposit value — is there a floor?
2. Management / performance fee — does one exist?
3. Withdrawal fee — confirm none
4. Any bridged assets accepted as direct deposits in v1?
5. Confirm 1,000,000 FLOW deposit capacity cap for launch
6. Which strategies are strictly v1 vs. later releases?

Test plan

• Review doc values against final deployment / governance config
• Resolve all open items and mark PR ready for review

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