Refactor UI folder (#2016)

* Added Overview page

* Revised Getting Started page

* Minor revision

* Edited readme, minor modifications to docs

* Removed sweep.yaml, .devcontainer, .ergomake

* Moved security.md to .github, added contributing.md

* changes as per code review

* updated contributing.md

* fixed broken links & added missing links in doc, improved structure

* fixed link in wsl setup

* fixed server link, added https cloning in yarn-setup

* removed package-lock.json

* added doc card, admonitions

* removed underline from nav buttons

* refactoring modules/ui

* refactoring modules/ui

* Change folder case

* Fix theme location

* Fix case 2

* Fix storybook

---------

Co-authored-by: Nimra Ahmed <nimra1408@gmail.com>
Co-authored-by: Nimra Ahmed <50912134+nimraahmed@users.noreply.github.com>

front/src/modules/ui/feedback/progress-bar/components/ProgressBar.tsx

@@ -0,0 +1,101 @@
+import {
+  forwardRef,
+  useCallback,
+  useEffect,
+  useImperativeHandle,
+  useRef,
+} from 'react';
+import { useTheme } from '@emotion/react';
+import styled from '@emotion/styled';
+import { AnimationControls, motion, useAnimation } from 'framer-motion';
+
+export type ProgressBarProps = {
+  duration?: number;
+  delay?: number;
+  easing?: string;
+  barHeight?: number;
+  barColor?: string;
+  autoStart?: boolean;
+};
+
+export type ProgressBarControls = AnimationControls & {
+  start: () => Promise<any>;
+  pause: () => Promise<any>;
+};
+
+const StyledBar = styled.div<Pick<ProgressBarProps, 'barHeight'>>`
+  height: ${({ barHeight }) => barHeight}px;
+  overflow: hidden;
+  width: 100%;
+`;
+
+const StyledBarFilling = styled(motion.div)`
+  height: 100%;
+  width: 100%;
+`;
+
+export const ProgressBar = forwardRef<ProgressBarControls, ProgressBarProps>(
+  (
+    {
+      duration = 3,
+      delay = 0,
+      easing = 'easeInOut',
+      barHeight = 24,
+      barColor,
+      autoStart = true,
+    },
+    ref,
+  ) => {
+    const theme = useTheme();
+
+    const controls = useAnimation();
+    const startTimestamp = useRef<number>(0);
+    const remainingTime = useRef<number>(duration);
+
+    const start = useCallback(async () => {
+      startTimestamp.current = Date.now();
+      return controls.start({
+        scaleX: 0,
+        transition: {
+          duration: remainingTime.current / 1000, // convert ms to s for framer-motion
+          delay: delay / 1000, // likewise
+          ease: easing,
+        },
+      });
+    }, [controls, delay, easing]);
+
+    useImperativeHandle(ref, () => ({
+      ...controls,
+      start: async () => {
+        return start();
+      },
+      pause: async () => {
+        const elapsed = Date.now() - startTimestamp.current;
+
+        remainingTime.current = remainingTime.current - elapsed;
+        return controls.stop();
+      },
+    }));
+
+    useEffect(() => {
+      if (autoStart) {
+        start();
+      }
+    }, [controls, delay, duration, easing, autoStart, start]);
+
+    return (
+      <StyledBar barHeight={barHeight}>
+        <StyledBarFilling
+          style={{
+            originX: 0,
+            // Seems like custom props are not well handled by react when used with framer-motion and emotion styled
+            backgroundColor: barColor ?? theme.color.gray80,
+          }}
+          initial={{ scaleX: 1 }}
+          animate={controls}
+          exit={{ scaleX: 0 }}
+        />
+      </StyledBar>
+    );
+  },
+);