Refactor timeline grid into multiple components

...ents/pages/Timeline/components/DayIndicatorGrid/index.tsx

...es/Timeline/components/DayIndicatorGrid/style.module.scss

src/components/pages/Timeline/components/EventGrid/index.tsx

...nts/pages/Timeline/components/EventGrid/style.module.scss

...components/pages/Timeline/components/ModuleRows/index.tsx

...ts/pages/Timeline/components/ModuleRows/style.module.scss

...mponents/pages/Timeline/components/TermSwitcher/index.tsx

.../pages/Timeline/components/TermSwitcher/style.module.scss

src/components/pages/Timeline/components/WeekRow/index.tsx

...nents/pages/Timeline/components/WeekRow/style.module.scss

src/components/pages/Timeline/index.tsx

src/components/pages/Timeline/style.module.scss