readding codeharbor_link views and actions

app/policies/codeharbor_link_policy.rb

@@ -1,3 +1,31 @@
-class CodeharborLinkPolicy < AdminOnlyPolicy
+# frozen_string_literal: true
 
+class CodeharborLinkPolicy < ApplicationPolicy
+  def index?
+    teacher?
+  end
+
+  def create?
+    teacher?
+  end
+
+  def show?
+    teacher?
+  end
+
+  def edit?
+    teacher?
+  end
+
+  def destroy?
+    teacher?
+  end
+
+  def new?
+    teacher?
+  end
+
+  def update?
+    teacher?
+  end
 end