[BIP-116] Enable TETU/USDC 80/20 Gauge w/2% emissions cap (Polygon)

Gauge Proposal Template:

Summary: TETU protocol what to use Balancer as a primary source of liquidity for its native token. The main reasons are the high reliability of the Balancer protocol and the close relationships between TETU and Balancer after tetuBal token success.

References/Useful links:

Link to: • Website - https://tetu.io/ • Documentation - Introduction - Tetu • Github Page - Tetu · GitHub • Communities - Tetu

Protocol Description: Tetu is a asset management protocol that implements automated yield farming strategy for users

Motivation: We want to move our protocol owned liquidity to the Balancer.

Specifications:

1. Governance: Multi Sig - Tetu
2. Oracles: No
3. Audits: docs.tetu.io
4. Centralization vectors: n/a
5. Market History: Tetu token can be volatile in the certain market conditions.

Contracts

WeightedPool: 0xE2f706EF1f7240b803AAe877C9C762644bb808d8
Child Chain Liquidity Streamer: 0xeBEa61d761233b0f1733623FaafBd385eb5b00D7
Polygon Root Gauge w/2% cap: 0x1E0C21296bF29EE2d56e0abBDfbBEdF2530A7c9A