Add initial docs

docs/config/options.md

@@ -95,3 +95,24 @@ When enabled, Zap will generate a `.d.ts` file for the server and client with th
 ### Example
 
 <CodeBlock code="opt typescript = true" />
+
+## `manual_event_loop`
+
+This option determines if Zap automatically sends reliable events each Heartbeat.
+
+When enabled, a `SendEvents` function will be exported from the client and server modules that must be called manually.
+
+This is useful when you can easily run `SendEvents` after all events have been fired each frame.
+
+### Default
+
+`false`
+
+### Options
+
+- `true`
+- `false`
+
+### Example
+
+<CodeBlock code="opt manual_event_loop = true" />