feat(charts): Now using bjw-s's common library chart (#7)

hack/gen-chart-summary.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# require yq
+command -v yq >/dev/null 2>&1 || {
+  echo >&2 'yq (https://github.com/mikefarah/yq) is not installed. Aborting.'
+  exit 1
+}
+
+# Absolute path of repository
+repository="$(git rev-parse --show-toplevel)"
+charts_folder="$repository/charts"
+charts_summary_file="$repository/README.md"
+charts_header='## Chart Overview'
+
+# Gather all charts
+stable_charts="$(find "$charts_folder" -name "Chart.yaml" | sort)"
+
+sed -i '' '/^'"$charts_header"'$/,$d' "$charts_summary_file"
+
+{
+  echo "$charts_header"
+  echo
+  echo "| Chart | Description |"
+  echo "| ----- | ----------- |"
+  for chart_yaml in ${stable_charts[@]}; do
+    if ! git ls-files --error-unmatch "$chart_yaml" &>/dev/null; then continue; fi
+    IFS=$'\t' read -r chart_name chart_description chart_icon < <(yq eval -o=tsv '[.name, .description, .icon // ""]' "$chart_yaml")
+    if [[ -n "$chart_icon" ]]; then
+      width=18
+      if [[ "$chart_name" == mnemonic-ninja ]]; then
+        width=12
+      fi
+      chart_icon="<img src='$chart_icon' alt='$chart_name icon' width='${width}px' align='right' loading='lazy'>"
+    fi
+    pretty_name="$(head -n1 "$(dirname "$chart_yaml")/README.md" | sed 's/^# //')"
+    echo "| [$pretty_name $chart_icon](charts/$chart_name/) | $chart_description |"
+  done
+} >> "$charts_summary_file"