docs: baked a lot of API docs

docs/API/http.md

@@ -10,4 +10,24 @@ HTTP APIs
 > **warning** Warning
 > Deprecated: use [[API/net]] instead.
 
-${spacelua.renderApiDocumentation("http")}
+<!--#lua spacelua.renderApiDocumentation("http") -->
+## http.request
+
+`http.request(url, options?)`
+
+> **Deprecated:** Use net.proxyFetch instead.
+
+Performs an authenticated HTTP request through the server proxy.
+
+**Parameters:**
+
+- `url` (`string`) — Target URL.
+- `options?` (`table`) — Method, headers, body, and response encoding.
+
+**Returns:**
+
+- `table` — Status, headers, and decoded response body.
+
+**See:** [[API/net#net.proxyFetch(url, options?)]]
+<!--/lua-->
+