Fix link paths to use absolute URLs in include file

Co-authored-by: ahouseholder <[email protected]>

Author: Copilot

docs/_includes/default_mission_impact_values.md

@@ -1,5 +1,5 @@
 !!! tip "Default Mission Impact Values"
 
-    Similarly, with [*Mission Impact*](../../reference/decision_points/mission_impact.md), the deployer should assume that the software is in use at the
+    Similarly, with [*Mission Impact*](/reference/decision_points/mission_impact.md), the deployer should assume that the software is in use at the
     organization for a reason, and that it supports essential functions unless they have evidence otherwise.
-    With a total lack of information, assume [*support crippled*](../../reference/decision_points/mission_impact.md) as a default.
+    With a total lack of information, assume [*support crippled*](/reference/decision_points/mission_impact.md) as a default.