(experimental) added framework for filtering all sorts of internals in discourse and consuming by plugins

lib/plugin/filter.rb

@@ -0,0 +1,18 @@
+require_dependency 'plugin/filter_manager'
+# this concept is borrowed straight out of wordpress
+module Plugin
+  class Filter
+    def self.manager
+      @manager ||= FilterManager.new
+    end
+
+    def self.register(name, &blk)
+      manager.register(name, &blk)
+    end
+
+    def self.apply(name, context, result)
+      manager.apply(name, context, result)
+    end
+
+  end
+end