Refactor/dropdown menu (#279)

* Created dropdown menu UI component with story

* Added all components for composing Dropdown Menus

* Better component naming and reordered stories

* Solved comment thread from review

front/src/modules/ui/components/menu/DropdownMenu.tsx

@@ -0,0 +1,20 @@
+import styled from '@emotion/styled';
+
+export const DropdownMenu = styled.div`
+  width: 200px;
+  height: fit-content;
+
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+
+  background: ${(props) => props.theme.secondaryBackgroundTransparent};
+
+  border: 1px solid ${(props) => props.theme.lightBorder};
+
+  border-radius: calc(${(props) => props.theme.borderRadius} * 2);
+
+  box-shadow: ${(props) => props.theme.modalBoxShadow};
+
+  backdrop-filter: blur(20px);
+`;