Use consistent Responses across implementations

[apollo-bobby]

This is an attempt to standardize and provide Responses with consistently named Events and Attributes to all functions (that return a Response) of all implementations in the cw-dex. It uses the response! macro from apollo-utils (See apollodao/apollo-utils#2).

Part of apollodao/apollo-vaults#8

Implementations done

• [x] Osmosis
• [x] Junoswap
• [x] Astroport

Signed-off-by: Bobby bobby@apollo.farm

[apollo-sturdy]

Closing in favor of #115