Update fire/battery handling tasks based on last year's discussions

Fixes #60

comp/arena/fire-extinguishers.yaml

@@ -14,4 +14,4 @@ description: >-
 
 dependencies:
   - comp/arena/build
-  - comp/safety/ensure-fire-extinguishers-are-present
+  - comp/safety/fire-management-equipment

comp/safety/fire-management-equipment.yaml

@@ -0,0 +1,20 @@
+summary: Ensure that we have fire managing equipment at the competition
+
+priority: critical
+
+component: Competition
+
+milestone: $SRYYYY Competition
+
+area-owner: health-safety
+
+description: >-
+    We need to have available whatever equipment we believe will be needed to
+    safely handle fires. Exactly what this entails will depend on the nature of
+    our plans for handling any fires.
+
+    The runbook has details of what the current protocol is, for example:
+    https://studentrobotics.org/runbook/competition/team-support/battery-charging/#safety
+
+    See also the notes at https://github.com/srobo/tasks/issues/822#issuecomment-1090656629
+    and onwards.

comp/safety/main.yaml

@@ -19,4 +19,4 @@ dependencies:
     - comp/safety/incident-plan
     - comp/safety/risk-assessments
     - comp/venue/cable-protectors
-    - comp/safety/ensure-fire-extinguishers-are-present
+    - comp/safety/fire-management-equipment

comp/safety/sad-battery-management.yaml

@@ -12,3 +12,6 @@ description: >-
   We should have a plan for how to handle lipos which are deemed to be unusable.
   This is to cover the handling of the lipos at the event, not the disposal
   afterwards.
+
+  See the runbook for the current safety protocol:
+  https://studentrobotics.org/runbook/competition/team-support/battery-charging/#safety