chore: Add missing comments for self hosted billing (#15923)

* WIP: UI created to see if it matches RFC idea

* Remove schema as we validate on the backend with old+new key schemas

* Add comment about proxy URL request when on older versions

* feat: create custom axios instance to use signature middleware

* fix: update form to respect new schema

* Add cal signature token to trubo env

* use backend mutation for creating license keys

* add loading state to creation button

* update form to have a success state

* fix type error for console.warning :')

* use api version v1

* Inital setup

* Fix verifyApi Key tests

* Implement tests for LicenseKeyService

* Restore old checkLicense code

* check license key first

* fix imports

* fix url in tests. Implement prisma extention to track creation

* Use data.status for licenseCheck

* extract fetch to class

* improve error

* [wip] per user tracking

* Remove new URL as it was breaking search params

* Use client extention in customPrismaClient

* Remove log

* Remove license required from creation form as itll fail

* Fix annual price calculation

* add api route to .env.example and constants

* re-word instructions in .env.example

* chore: feedback

* Update packages/features/ee/common/server/LicenseKeyService.ts

* Add IS_E2E_ENABLED constant + update tests

* Revert "Add IS_E2E_ENABLED constant + update tests"

This reverts commit d059b73f6272bc06fd2ab5ed505b6d52ea030a56.

* chore: tests fixes

* fixes: unit tests

Signed-off-by: zomars <zomars@me.com>

* chore: add missing instructions

---------

Signed-off-by: zomars <zomars@me.com>
Co-authored-by: sean-brydon <sean@cal.com>
Co-authored-by: sean-brydon <55134778+sean-brydon@users.noreply.github.com>

.env.example

@@ -18,6 +18,10 @@
 
 # To enable enterprise-only features please add your envrionment variable to the .env file then make your way to /auth/setup to select your license and follow instructions. 
 CALCOM_LICENSE_KEY=
+# Signature token for the Cal.com License API (used for self-hosted integrations)
+# We will give you a token when we provide you with a license key this ensure you and only you can communicate with the Cal.com License API for your license key
+CAL_SIGNATURE_TOKEN=
+# The route to the Cal.com License API
 CALCOM_PRIVATE_API_ROUTE="https://goblin.cal.com"
 # ***********************************************************************************************************