feat: add support for json and jsonb fields

spec/types_from_serializers/generator_spec.rb

@@ -115,5 +115,21 @@ def generate_serializers
 
       expect(ts_type).to eq(:string)
     end
+
+    it "maps json type from SQL to object type in TypeScript" do
+      db_type = :json
+
+      ts_type = TypesFromSerializers.config.sql_to_typescript_type_mapping[db_type]
+
+      expect(ts_type).to eq("Record<string, any>")
+    end
+
+    it "maps jsonb type from SQL to object type in TypeScript" do
+      db_type = :jsonb
+
+      ts_type = TypesFromSerializers.config.sql_to_typescript_type_mapping[db_type]
+
+      expect(ts_type).to eq("Record<string, any>")
+    end
   end
 end

types_from_serializers/lib/types_from_serializers/generator.rb

@@ -392,6 +392,8 @@ def default_config(root)
           string: :string,
           text: :string,
           citext: :string,
+          json: "Record<string, any>",
+          jsonb: "Record<string, any>",
         }.tap do |types|
           types.default = :unknown
         end,