refactor: Cal.diy (#28903)

* feat: Cal.diy — community-driven MIT-licensed fork of Cal.com

This squashed commit contains all Cal.diy changes applied on top of calcom/cal.com main:

- Rebrand Cal.com to Cal.diy across the entire codebase
- Remove Enterprise Edition (EE) features, license checks, and AGPL restrictions
- Switch license from AGPL-3.0 to MIT
- Remove docs/ directory (migrated to Nextra at cal.diy)
- Remove dead code: org tests, EE tips, platform nav, premium username, SAML/SSO, etc.
- Clean up .env.example for self-hosted Cal.diy
- Update Docker image references to calcom/cal.diy
- Update README, CONTRIBUTING.md, and issue templates for Cal.diy community fork
- Add PR welcome bot for Cal.diy contributors
- Fix API v2 breaking changes oasdiff ignore entries
- Replace Blacksmith CI runners with default GitHub Actions

3893 files changed, 20789 insertions(+), 411020 deletions(-)

Co-Authored-By: benny@cal.com <sldisek783@gmail.com>

* refactor: remove org-specific /organizations/:orgId endpoints from API v2 atoms controllers (#1701)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* fix: revert Cal.diy Inc to Cal.com, Inc. in license files, copyright notices, and package metadata (#1702)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* rip out org related comments in api v2

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

packages/app-store/zohocalendar/README.md

@@ -3,14 +3,14 @@
 ### Obtaining Zoho Calendar Client ID and Secret
 
 1. Open [Zoho API Console](https://api-console.zoho.com/) and sign into your account, or create a new one.
-2. Create a "Server-based Applications", set the Redirect URL for OAuth `<Cal.com URL>/api/integrations/zohocalendar/callback` replacing [Cal.com](https://cal.com) URL with the URI at which your application runs.
+2. Create a "Server-based Applications", set the Redirect URL for OAuth `<Cal.diy URL>/api/integrations/zohocalendar/callback` replacing [Cal.diy](https://cal.com) URL with the URI at which your application runs.
 3. Fill in any information you want in the "Client Details" tab
 4. Go to tab "Client Secret" tab.
-5. Now copy the Client ID and Client Secret into your app keys in the [Cal.com](https://cal.com) admin panel (`<Cal.com>/settings/admin/apps`).
+5. Now copy the Client ID and Client Secret into your app keys in the [Cal.diy](https://cal.com) admin panel (`<Cal.diy>/settings/admin/apps`).
 6. Back in Zoho API Console,
 7. In the "Settings" section check the "Multi-DC" option if you wish to use the same OAuth credentials for all data centers.
 8. Click the "Save"/ "UPDATE" button at the bottom footer.
-9. You're good to go. Now you can easily add your Zoho Calendar integration in the [Cal.com](https://cal.com) settings at `/settings/my-account/calendars`.
+9. You're good to go. Now you can easily add your Zoho Calendar integration in the [Cal.diy](https://cal.com) settings at `/settings/my-account/calendars`.
 10. You can access your Zoho calendar at [https://calendar.zoho.com/](https://calendar.zoho.com/)
 
 NOTE: If you use multiple calendars with Cal, make sure you enable the toggle to prevent double-bookings across calendar. This is in `/settings/my-account/calendars`.

packages/app-store/zohocalendar/config.json

@@ -8,7 +8,7 @@
   "category": "calendar",
   "categories": ["calendar"],
   "logo": "icon.svg",
-  "publisher": "Cal.com",
+  "publisher": "Cal.diy",
   "url": "https://cal.com/",
   "email": "help@cal.com",
   "isAuth": true