docs: move around sections

README.md

@@ -21,6 +21,14 @@ CONFIG="/path/to/config.toml" ./subsyt
 ./subsyt    # assumes "./config.toml"
 ```
 
+## build
+
+We want a statically linked binary so disable CGO.
+
+```sh
+CGO_ENABLED=0 go build
+```
+
 ## config
 
 `config.toml`:
@@ -42,6 +50,9 @@ cookies_file = ""                       # pass user cookies to yt, blank to disa
 opml_file = "./opml.xml"                # the opml file to use
 ```
 
+## generate opml
+
+E.g. https://github.com/jeb5/YouTube-Subscriptions-RSS
 `subs-opml.xml`:
 
 ```xml
@@ -62,12 +73,6 @@ opml_file = "./opml.xml"                # the opml file to use
 </opml>
 ```
 
-## build
-
-```sh
-CGO_ENABLED=0 go build
-```
-
 ## cookies
 
 > [!WARNING]
@@ -149,7 +154,3 @@ podman run --rm \
 │   │   └── Technology_Connextras.s2025e0331.An_unplanned_trip_from_Chicago_to_Milwaukee_in_an_electric_car.3GUQdrpduo0-1080p.webm
 │   └── tvshow.nfo
 ```
-
-## generate opml
-
-E.g. https://github.com/jeb5/YouTube-Subscriptions-RSS