refactor: Link to global goal when there are no features

Author: pawamoy

project/scripts/{% if insiders %}insiders.py{% endif %}.jinja

@@ -78,9 +78,18 @@ class Goal:
 
     def render(self, rel_base: str = "..") -> None:  # noqa: D102
         print(f"#### $ {self.human_readable_amount} — {self.name}\n")
-        for feature in self.features:
-            feature.render(rel_base)
-        print("")
+        if self.features:
+            for feature in self.features:
+                feature.render(rel_base)
+            print("")
+        else:
+            print("There are no features in this goal for this project.  ")
+            {%- if author_username == "pawamoy" %}
+            print(
+                "[See the features in this goal **for all Insiders projects.**]"
+                f"(https://pawamoy.github.io/insiders/#{self.amount}-{self.name.lower().replace(' ', '-')})",
+            )
+            {%- endif %}
 
 
 def load_goals(data: str, funding: int = 0, project: Project | None = None) -> dict[int, Goal]: