Improve package updates barplot with least updated

popcorn.py

@@ -227,21 +227,30 @@ def _(df_lazy: pl.LazyFrame):
 @app.cell
 def _(df_pkg_lazy: pl.LazyFrame):
     DISPLAY_TOP = 20
-    df_top_pkg_dl = (
-        df_pkg_lazy.group_by("package")
-        .agg(pl.col("downloads").sum())
-        .sort("downloads", descending=True)
-        .head(DISPLAY_TOP)
-        .collect()
-    )
+    df_pkg_dl = df_pkg_lazy.group_by("package").agg(pl.col("downloads").sum()).collect()
 
-    (
-        lp.ggplot(df_top_pkg_dl, lp.aes("package", "downloads"))
-        + lp.geom_bar(stat="identity")
-        + lp.labs(
-            title="Top packages",
-            caption="Daily number of unique providers for package update statistics opting in to popcorn.",
-        )
+    lp.gggrid(
+        [
+            lp.ggplot(
+                df_pkg_dl.sort("downloads", descending=True).head(DISPLAY_TOP),
+                lp.aes("package", "downloads"),
+            )
+            + lp.geom_bar(stat="identity")
+            + lp.labs(
+                title="Top packages",
+                caption="Most updated packages over all time",
+            ),
+            lp.ggplot(
+                df_pkg_dl.sort("downloads", descending=False).head(DISPLAY_TOP),
+                lp.aes("package", "downloads"),
+            )
+            + lp.geom_bar(stat="identity")
+            + lp.labs(
+                title="Rarest packages",
+                caption="Least updated packages over all time",
+            ),
+        ],
+        ncol=1,
     )
     return