Function build_router 

pub fn build_router(state: Arc<AppState>) -> Router

Build the complete Kipuka HTTP router.

Route structure

/.well-known/est/
    cacerts          GET   (§4.1)
    simpleenroll     POST  (§4.2)
    simplereenroll   POST  (§4.2.2)
    fullcmc          POST  (§4.3)
    serverkeygen     POST  (§4.4)
    csrattrs         GET   (§4.5)

/.well-known/est/{label}/
    (same endpoints as above, with per-label CA routing)

/admin/
    health           GET
    health/db        GET
    health/hsm       GET
    health/ca        GET
    cas              GET
    cas/{id}         GET
    cas/{id}/health  GET
    otp/generate     POST
    otp              GET
    otp/{id}         DELETE
    certs            GET
    certs/{serial}   GET
    certs/{serial}/revoke POST

/.well-known/est/star/
    POST                  Create STAR order (RFC 8739)
    {order_id}       GET  Fetch current certificate
    {order_id}       DELETE Cancel STAR order
    {order_id}/history GET List certificate series