feat(ecosystem): add shapeshift

[firebomb1]

What changed? Why?

• Updates data/ecosystem.json to add ShapeShift on the Ecosystem page.
• Adds ShapeShift logo for this listing.

Notes to reviewers
None.

How has it been tested?
Local testing renders like this:

[vercel]

@firebomb1 is attempting to deploy a commit to the Coinbase Team on Vercel.

A member of the Team first needs to authorize it.

[cb-heimdall]

🟡 Heimdall Review Status

Requirement	Status	More Info
Reviews	🟡 0/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 0 Sum 1

[vercel]

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[firebomb1]

Hello @wbnns , just to clarify which part of ShapeShift are on Base: https://shapeshift.com/base

• As a wallet: we provide portfolio tracking for Base assets (and other chains)
• As a dApp: Trading on Base through CoW (Market/Limit orders), LI.FI, ThorChain and Portals, LP'ing through Portals.

EDIT: I've submitted this PR as a ShapeShift DAO contributor for the Marketing and Business Development Workstream