feat: design applications and first api calls

Co-authored-by: Walid <87608619+WalidKorchi@users.noreply.github.com>

components/Application/Sidebar/Sidebar.test.tsx

@@ -0,0 +1,12 @@
+import { render } from '@testing-library/react'
+
+import { Sidebar } from './Sidebar'
+
+describe('<Sidebar />', () => {
+  it('should render successfully', () => {
+    const { baseElement } = render(
+      <Sidebar direction='left' visible={true} isMobile={false} />
+    )
+    expect(baseElement).toBeTruthy()
+  })
+})