Add schemaField const to set disabled attribute

Author: Georgi2704

frontend/.changeset/quiet-sloths-repair.md

@@ -0,0 +1,5 @@
+---
+'pydantic-forms': patch
+---
+
+Add schemaField const to set disabled attribute

frontend/packages/pydantic-forms/src/core/helper.ts

@@ -313,6 +313,10 @@ export const getFieldAttributes = function (
         attributes.disabled = true;
     }
 
+    if (schemaField.const) {
+        attributes.disabled = true;
+    }
+
     if (schemaField.uniforms?.sensitive) {
         attributes.sensitive = true;
     }

frontend/packages/pydantic-forms/src/types.ts

@@ -426,6 +426,7 @@ export interface PydanticFormPropertySchemaParsed
 
     default?: string | null;
     format: PydanticFormFieldFormat;
+    const?: number | string | boolean | null;
 
     uniforms?: UniformProperties;