feat: registry add command (#9351)

* feat: implement registry add

* chore: changeset

* fix: registries docs

* feat: update add command

* fix

.github/ISSUE_TEMPLATE/registry_directory.yml

@@ -1,63 +0,0 @@
-name: Add registry to directory
-description: Add your registry to the directory
-title: "[Registry Directory]: "
-labels: ["registry", "directory"]
-assignees: []
-body:
-  - type: input
-    id: name
-    attributes:
-      label: Name
-      description: The name of your registry. This is also the namespace.
-      placeholder: e.g., "@acme"
-    validations:
-      required: true
-
-  - type: input
-    id: url
-    attributes:
-      label: URL
-      description: The URL to your registry index. Use {name} placeholder.
-      placeholder: https://ui.acme.com/r/{name}.json
-    validations:
-      required: true
-
-  - type: input
-    id: homepage
-    attributes:
-      label: Homepage
-      description: The URL to your registry homepage. This is where users can browse your registry.
-      placeholder: https://ui.acme.com
-    validations:
-      required: true
-
-  - type: textarea
-    id: description
-    attributes:
-      label: Description
-      description: Briefly describe what is your registry and what type of components or code it distributes.
-      placeholder: 
-    validations:
-      required: true
-
-  - type: textarea
-    id: logo
-    attributes:
-      label: Logo
-      description: Add your SVG logo here.
-      placeholder: 
-    validations:
-      required: true
-
-  - type: checkboxes
-    id: requirements
-    attributes:
-      label: Checklist
-      description: Verify that your registry meets the following requirements.
-      options:
-        - label: The registry must be open source and publicly accessible.
-        - label: The registry must be a valid JSON file that conforms to the [registry schema](https://ui.shadcn.com/docs/registry/registry-json) specification.
-        - label: The `files` array, if present on your registry items, must NOT include a `content` property.
-        - label: I've attached a square SVG logo to this issue
-    validations:
-      required: true