docs(sessions): 📝 move schedule to be Markdown table, not use R (#43)

## Description

This starts removing the need for R in the website and so it builds. Now
the schedule is a Markdown table that can be directly edited now.

## Reviewer Focus

This PR needs a quick review. 

## Checklist

- [x] Ran spell-check
- [x] Formatted Markdown
- [x] Rendered website locally

preamble/schedule.qmd

@@ -12,38 +12,45 @@ and others may be longer. Instead, it is meant to be an approximate
 guide and overview.
 
 ::: panel-tabset
-```{r schedule-table}
-#| eval: true
-#| echo: false
-#| output: asis
-library(dplyr)
-add_link <- function(text, icon, link) {
-  colour <- "#138d75"
-  added_link <- paste0("<i class='fa-solid fa-", icon, "' style='color:", colour, "'></i>&nbsp;&nbsp;<a href=\"", link, "\">", text, "</a>")
-  if (link == "") {
-    added_link <- paste0("<i class='fa-solid fa-", icon, "' style='color:", colour, "'></i>&nbsp;&nbsp;", text)
-  }
-  return(htmltools::HTML(added_link))
-}
-
-schedule <- here::here("preamble/schedule.csv") %>%
-  readr::read_csv(col_types = "ccccc") %>%
-  mutate(across(everything(), ~ if_else(is.na(.x), "", .x))) %>%
-  mutate(
-    `Session topic` = list(`Session topic`, icon, link) %>%
-      purrr::pmap(~ add_link(..1, ..2, ..3)) %>%
-      unlist()
-  ) %>%
-  select(-icon, -link)
-
-unique(schedule$Day) %>% 
-  purrr::map_chr( \(day) {
-    knitr::knit_child(
-      input = here::here("preamble/_schedule-days.qmd"),
-      envir = environment(),
-      quiet = TRUE
-    )
-  }) %>% 
-  cat(sep = "\n")
-```
+## Day 1
+
+| Time | Session topic |
+|------------------------------------|------------------------------------|
+| 9:30 | {{< fa mug-hot >}} Arrival. Coffee and snacks |
+| 10:00 | [{{< fa person-chalkboard >}} Introduction to the course](../sessions/introduction.qmd) |
+| 10:30 | [{{< fa laptop-code >}} TBD]() |
+| 12:30 | {{< fa utensils >}} Lunch |
+| 13:15 | [{{< fa user-group >}} Networking and social activity](../appendix/social.qmd#social-day-one) |
+| 13:35 | [{{< fa laptop-code >}} TBD]() |
+| 14:30 | {{< fa mug-hot >}} Break with coffee and snacks |
+| 15:30 | [{{< fa laptop-code >}} TBD]() |
+| 17:00 | [{{< fa comment-dots >}} End of day survey]() |
+
+## Day 2
+
+| Time | Session topic |
+|------------------------------------|------------------------------------|
+| 9:00 | [{{< fa laptop-code >}} TBD]() |
+| 10:15 | {{< fa mug-hot >}} Break with coffee and snacks |
+| 10:30 | [{{< fa laptop-code >}} TBD]() |
+| 12:15 | {{< fa utensils >}} Lunch |
+| 13:00 | [{{< fa user-group >}} Networking and social activity](../appendix/social.qmd#social-day-two) |
+| 13:20 | TBD |
+| 14:45 | {{< fa mug-hot >}} Break with coffee and snacks |
+| 15:00 | TBD |
+| 17:00 | [{{< fa comment-dots >}} End of day survey]() |
+
+## Day 3
+
+| Time | Session topic |
+|------------------------------------|------------------------------------|
+| 9:00 | [{{< fa laptop-code >}} TBD]() |
+| 10:15 | {{< fa mug-hot >}} Break with coffee and snacks |
+| 11:00 | [{{< fa laptop-code >}} TBD]() |
+| 12:15 | {{< fa utensils >}} Lunch |
+| 13:00 | [{{< fa user-group >}} Group project](../appendix/group-project.qmd) |
+| 14:45 | {{< fa mug-hot >}} Break with coffee and snacks |
+| 16:00 | [{{< fa user-group >}} Group project](../appendix/group-project.qmd) |
+| 16:20 | [{{< fa person-chalkboard >}} Closing remarks](../sessions/what-next.qmd) |
+| 16:45 | [{{< fa comment-dots >}} Short survey and farewell]() |
 :::