feat: add flag to indicate if connector is external

[arthurgeron]

Release notes

In this release, we:

• Added flag to indicate whether the connector is external

Summary

Add external flag to differentiate between native and external connectors.

Checklist

• All changes are covered by tests (or not applicable)
• All changes are documented (or not applicable)
• I reviewed the entire PR myself (preferably, on GH UI)
• I described all Breaking Changes (or there's none)

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
create-fuels-template	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 23, 2024 1:54pm
ts-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 23, 2024 1:54pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
create-fuels-counter-example	⬜️ Ignored (Inspect)			Sep 23, 2024 1:54pm

[github-actions]

This PR is published in NPM with version 0.0.0-pr-3201-20240922225832

[codspeed-hq]

CodSpeed Performance Report

Merging #3201 will not alter performance

_{Comparing ag/feat/add-external-flag (3e4f18e) with master (ef50619)}

Summary

✅ 21 untouched benchmarks

[arthurgeron]

@petertonysmith94
Could we please get 0.94.7 released after this is merged?

[github-actions]

Coverage Report:

Lines	Branches	Functions	Statements
77.17%(+0.01%)	71.81%(+0%)	75.77%(+0%)	77.28%(+0.01%)

Changed Files:

Ok	File (✨=New File)	Lines	Branches	Functions	Statements
🔴	packages/account/src/connectors/fuel-connector.ts	28.57% (+2.65%)	100% (+0%)	4.76% (+0%)	28.57% (+2.65%)