Update docs

Author: igorlukanin

docs/pages/product/apis-integrations/rest-api.mdx

@@ -129,6 +129,7 @@ accessible for everyone.
 | `meta`    | [`/v1/meta`][ref-ref-meta]                                                                | ✅ Yes                 |
 | `data`    | [`/v1/load`][ref-ref-load], [`/v1/sql`][ref-ref-sql]                                      | ✅ Yes                 |
 | `graphql` | `/graphql`                                                                                | ✅ Yes                 |
+| `sql`     | [`/v1/sql`][ref-ref-sql]                                                                  | ✅ Yes                 |
 | `jobs`    | [`/v1/pre-aggregations/jobs`][ref-ref-paj]                                                | ❌ No                  |
 | No scope  | `/livez`, `/readyz`                                                                       | ✅ Yes, always |
 

docs/pages/reference/configuration/config.mdx

@@ -1008,13 +1008,13 @@ from cube import config
 
 @config('context_to_api_scopes')
 def context_to_api_scopes(context: dict, default_scopes: list[str]) -> list[str]:
-  return ['meta', 'data', 'graphql']
+  return ['meta', 'data', 'graphql', 'sql']
 ```
 
 ```javascript
 module.exports = {
   contextToApiScopes: (securityContext, defaultScopes) => {
-    return ['meta', 'data', 'graphql'];
+    return ['meta', 'data', 'graphql', 'sql'];
   },
 };
 ```

docs/pages/reference/configuration/environment-variables.mdx

@@ -860,7 +860,7 @@ endpoints.
 
 | Possible Values                                                                | Default in Development | Default in Production |
 | ------------------------------------------------------------------------------ | ---------------------- | --------------------- |
-| A comma-delimited string with any combination of [API scopes][ref-rest-scopes] | `meta,data,graphql`    | `meta,data,graphql`   |
+| A comma-delimited string with any combination of [API scopes][ref-rest-scopes] | `meta,data,graphql,sql`| `meta,data,graphql,sql`|
 
 See also the [`context_to_api_scopes` configuration
 option](/reference/configuration/config#context_to_api_scopes).