feat(stats): show gross earned leave by rule (#67)

src/app/components/calendar-year/calendar-year.html

@@ -1295,7 +1295,35 @@
 					</dt>
 					<dd>{{ formatStatistic(plan.metrics.longestTimeOffPeriod) }}</dd>
 				</div>
+				<div>
+					<dt>
+						{{ tr().planning.statistics.earnedLeave }} ({{
+							tr().planning.statistics.leaveDaysUnit
+						}})
+					</dt>
+					<dd>{{ formatStatistic(earnedLeave().total) }}</dd>
+				</div>
 			</dl>
+			@if (earnedLeave().contributions.length) {
+				<section aria-labelledby="earned-leave-title">
+					<h3 id="earned-leave-title">
+						{{ tr().planning.statistics.earnedLeaveByRule }} ({{
+							tr().planning.statistics.leaveDaysUnit
+						}})
+					</h3>
+					<dl class="earned-leave-breakdown">
+						@for (
+							contribution of earnedLeave().contributions;
+							track contribution.ruleId
+						) {
+							<div>
+								<dt>{{ contribution.label }}</dt>
+								<dd>{{ formatStatistic(contribution.quantity) }}</dd>
+							</div>
+						}
+					</dl>
+				</section>
+			}
 		}
 	</mat-dialog-content>
 	<mat-dialog-actions align="end">