gava-connect-plus v0.3.0

What's New

• Added the Fetch Taxpayer Obligations endpoint (TaxPayer_Tax_Obligations_Fetcher) — resolves a KRA PIN's registered tax obligations via gava.obligation.fetch(pin) (async and sync), following the same pattern as the existing PIN/Station/Invoice modules
• New isolated obligation credential scope (KRA_OBLIGATION_KEY / KRA_OBLIGATION_SECRET)
• New InvalidObligationPINError for KRA response code 20001

Docs

• README roadmap table now includes a "Required Env Vars" column
• Environment setup guide now documents all five implemented scopes (Station and PIN Lookup credentials were previously undocumented)

What's Changed

• Feature/taxpayer obligations by @IamMuuo in #5

Full Changelog: v0.2.1...v0.3.0