feat: include feed generation

See ruangrupa/living-room#20.

README.md

@@ -23,6 +23,7 @@ See the `sleep ...` statements in the [`compose.yml`](./compose.yml).
 
 - `docker service logs -f beta_lumbung_space_peertube`
 - `docker service logs -f beta_lumbung_space_calendar`
+- `docker service logs -f beta_lumbung_space_feed`
 
 Where `beta_lumbung_space_<service-name>` and you see the service name in the [`compose.yml`](./compose.yml).
 
@@ -47,6 +48,9 @@ lumbunglib-cal
 
 export OUTPUT_DIR=content/video
 lumbunglib-vid
+
+export OUTPUT_DIR=content/feed
+lumbunglib-feed  # reads ./feeds_list.txt
 ```
 
 Afterwards, you can automatically run it with `make gen`.
@@ -62,3 +66,7 @@ Afterwards, you can automatically run it with `make gen`.
 (requires `lumbung.space` docker context)
 
 - `make deploy`
+
+### Deploy a new `feeds_list.txt`
+
+- Increment the `_v<n>` (e.g. `v1` -> `v2`) in [`compose.yml`](./compose.yml) `configs` to avoid any deployment error