feat(twilio-voice): added twilio voice webhook + tool (#1776)

* first twilio voice push, no testing

* simplified operations, calling and get recording works

* cleaned up operations

* twilio webhook works

* added docs

* updated logic

* minor change

* reverted change

* files fixed for bun run lint

* fix instructions

* removed unused files

* added slack validation and twilio

* changed twiml instruction

* fixed build

* cleanup

* remove extraneous comments

* fixed missing mcosk

* split out client-side utils

* update docs

* fix tests

* had to add some reverts

* custom tool that was fialing bulid

* reveted changes

apps/sim/executor/handlers/agent/agent-handler.test.ts

@@ -17,6 +17,8 @@ vi.mock('@/lib/environment', () => ({
   isDev: vi.fn().mockReturnValue(true),
   isTest: vi.fn().mockReturnValue(false),
   getCostMultiplier: vi.fn().mockReturnValue(1),
+  isEmailVerificationEnabled: false,
+  isBillingEnabled: false,
 }))
 
 vi.mock('@/providers/utils', () => ({