Fix/osmosis fee 1e 3

[nseguias]

Description and Motivation

This PR validates that on pool creation, the osmosis swap fee is set to 0.001

Related Issues

375

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Checklist:

• [x] I have read Migaloo's contribution guidelines.
• [x] My pull request has a sound title and description (not something vague like Update index.md)
• [x] All existing and new tests are passing.
• [x] I updated/added relevant documentation.
• [x] The code is formatted properly cargo fmt --all --.
• [ ] Clippy doesn't report any issues cargo clippy -- -D warnings.
• [x] I have regenerated the schemas if needed cargo schema.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.93%. Comparing base (2f40957) to head (e685099). Report is 4 commits behind head on release/v2_contracts.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/v2_contracts #377 +/- ## ======================================================== + Coverage 90.90% 90.93% +0.02% ======================================================== Files 280 280 Lines 31830 31915 +85 ======================================================== + Hits 28936 29022 +86 + Misses 2894 2893 -1 ```

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