move HTTP module to own section

src/content/docs/modules/http/http-client.md

@@ -0,0 +1,15 @@
+---
+title: HTTP Client
+sidebar:
+    order: 1
+---
+The HTTP Client module emits a message contianing the response of the HTTP calls it makes.
+
+- **type**: `http.client`
+- **params**: no params are needed for HTTP client
+
+### Example
+```
+- id: httpSender1
+  type: http.client
+```