update docs for route changes

src/content/docs/showbridge/dictionary.mdx

@@ -0,0 +1,18 @@
+---
+title: Dictionary
+---
+
+- **router**: throughout documentation I will use the term router to refer to a configured/running instance of showbridge
+- **modules**: modules are configured instances that can produce or consume message like a TCP server or a UDP client
+- **routes**: routes take messages coming from a module (input), pass the
+- **processors**: processors process messages, this can be anything such as: 
+    - [decoding bytes into a string](/processors/string/decode)
+    - [creating random numbers](/processors/int/random)
+    - [filtering OSC message](/processors/osc/message/filter)
+    - [running custom JavaScript snippets](/processors/script/js)
+
+import { Aside } from '@astrojs/starlight/components';
+
+<Aside type="note">
+Router output is also handled by [a processor](/processors/router/output)!
+</Aside>