style(storybook): localize 조직도 and 노선도 menus, Department Colors 3 columns

- OrgChart -> 조직도 and sub menus (개요, 부서별 색상, 전체 구성, 확장 조직도); Story IDs kept
- 노선도 menu/page titles in Korean (제목, 정보, 노선·공간, 시설물)
- Department Colors cards 3 columns (2 under 960px)

src/org-chart/org-chart-expanded.stories.tsx

@@ -50,7 +50,7 @@ function ExpandedPreview() {
   })), []);
 
   return <StoryPage className="hm-orgchart-story-page hm-orgchart-story-expanded">
-    <StoryPageHeader title="Expanded OrgChart" />
+    <StoryPageHeader title="확장 조직도" />
     {/* Preview first: the chart sits right under the page title; its own header already names it, so no section header. */}
     <div className="hm-orgchart-story hm-orgchart-story-lead">
       {error ? <p role="alert" className="hm-orgchart-story-note">{error}</p> : null}
@@ -61,7 +61,7 @@ function ExpandedPreview() {
   </StoryPage>;
 }
 
-const meta = { title: 'OrgChart/Expanded OrgChart', component: ExpandedPreview, parameters: { layout: 'fullscreen', controls: { disable: true } }, decorators: [(Story) => <StrictMode><Story /></StrictMode>] } satisfies Meta<typeof ExpandedPreview>;
+const meta = { title: '조직도/확장 조직도', component: ExpandedPreview, parameters: { layout: 'fullscreen', controls: { disable: true } }, decorators: [(Story) => <StrictMode><Story /></StrictMode>] } satisfies Meta<typeof ExpandedPreview>;
 export default meta;
 type Story = StoryObj<typeof meta>;
-export const ExpandedOrgChart: Story = { name: 'Expanded OrgChart', parameters: { __id: 'orgchart--expanded-org-chart' } };
+export const ExpandedOrgChart: Story = { name: '확장 조직도', parameters: { __id: 'orgchart--expanded-org-chart' } };