feat: implement comprehensive Form UI library with React Hook Form integration, Zod validation, and i18n support.

packages/core-i18n/src/locales/en/validation.json

@@ -0,0 +1,7 @@
+{
+  "validation": {
+    "required": "{{field}} is required",
+    "min_length": "{{field}} must be at least {{min}} characters",
+    "invalid_email": "Invalid email format"
+  }
+}

packages/core-i18n/src/locales/id/validation.json

@@ -0,0 +1,7 @@
+{
+  "validation": {
+    "required": "{{field}} wajib diisi",
+    "min_length": "{{field}} minimal {{min}} karakter",
+    "invalid_email": "Format email tidak valid"
+  }
+}