fill in basic details for remaining processors/modules

src/content/docs/processors/http/request/do.md

@@ -5,7 +5,19 @@ sidebar:
     order: 1
 ---
 
+This process will make an HTTP request to the specified URL using the specified method. The response will be passed through to the next processor in the chain. This processor will return an error if the request fails for any reason (e.g. network error, invalid URL, etc.).
+
 - **type**: `http.request.do`
 - **params**:
-    - **method**
-    - **url**
+    - **method**: the HTTP method to use for the request (e.g. `GET`, `POST`, `PUT`, etc.)
+    - **url**: the URL to send the request to
+
+
+### Example
+Make a GET request to `https://example.com`
+```
+- type: http.request.do
+  params:
+    method: GET
+    url: https://example.com
+```