Remove cosmos from @sei-js/create-sei templates

[codebycarson]

This PR removes cosmos from the boilerplate dApp generator.

Changes

• removed the cosmos templates
• removed unnecessary commands
• updated docs to remove unnecessary CLI commands
• renames template folder names

[changeset-bot]

🦋 Changeset detected

Latest commit: 72a4a00

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@sei-js/create-sei	Patch

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[Copilot]

Pull Request Overview

This PR removes Cosmos templates and functionality from the @sei-js/create-sei dApp generator tool, simplifying the CLI interface and focusing solely on EVM-based development.

• Removes all Cosmos/CosmJS templates and their associated files
• Simplifies CLI by removing ecosystem and library selection options
• Updates documentation to reflect the streamlined template options

Reviewed Changes

Copilot reviewed 43 out of 95 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/create-sei/src/main.ts	Removes CLI options for ecosystem and library selection, simplifies template selection logic
packages/create-sei/templates/vite-cosmos-template/*	Complete removal of Vite + CosmJS template files
packages/create-sei/templates/next-cosmos-template/*	Complete removal of Next.js + CosmJS template files
packages/create-sei/templates/vite-wagmi-template/*	Complete removal of Vite + Wagmi template files
packages/create-sei/templates/next-wagmi-template/*	Complete removal of Next.js + Wagmi template files
packages/create-sei/templates/vite-template/package.json	Updates package name to remove wagmi reference
packages/create-sei/templates/next-template/package.json	Updates package name to remove wagmi reference
docs/create-sei/*.mdx	Updates documentation to remove references to Cosmos templates and simplified CLI commands
.changeset/tiny-mails-press.md	Adds changeset for this patch release

Comments suppressed due to low confidence (2)

packages/create-sei/templates/vite-template/package.json:2

• [nitpick] The package name change removes 'wagmi' but this template may still be using Wagmi. Consider verifying that the template name accurately reflects its technology stack.

	"name": "template-vite-sei-app",

packages/create-sei/templates/next-template/package.json:2

• [nitpick] The package name change removes 'wagmi' but this template may still be using Wagmi. Consider verifying that the template name accurately reflects its technology stack.

	"name": "template-next-sei-app",

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (3179b0a) to head (72a4a00).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #283   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           70        70           
  Lines          844       844           
  Branches       139       139           
=========================================
  Hits           844       844           

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[besated]

should this be a minor/major instead?

[codebycarson]

I think it will be when we redo it completely. So basically the next one