Update readme to include p0rca type.

Author: underscore-zi

README.md

@@ -6,6 +6,8 @@ Unfortunately, many solid blogs do not provide feeds. I attempted to use a varie
 
 This isn't necessarily easy to use, but if you're familiar with CSS it shouldn't be too painful.
 
+If you're only interested in the feeds that this already outputs, I generate all these feeds and currently output them to https://little-canada.org/feeds/output/ 
+
 ### General Usage
 
 `./feedgen -f [feed generator type] -t [output type] -o [output file] -w [working directory] [-c config file]` 
@@ -16,6 +18,7 @@ There are currently three supported feed types:
 
  - `h1` which runs the Hackerone generator, which tracks the [latest disclosed Hacktivity](https://hackerone.com/hacktivity?querystring=&filter=type:public&order_direction=DESC&order_field=latest_disclosable_activity_at&followed_only=false) generator
  - `p0` which runs the ProjectZero generator, which tracks the [Project Zero issues list](https://bugs.chromium.org/p/project-zero/issues/list?q=&can=1&sort=-id). One important note about this one is that the feed does not grab dates so it is only accurate after it has been running. The first feed generated will be be based purely on ids.
+ - `p0rca` which runs the Project Zero Root Cause Analysis generator, which tracks the [Project Zero Root Cause Analysis list](https://googleprojectzero.github.io/0days-in-the-wild/rca.html)
  - `css` is the more generic and useful option. It takes in a config file (json) which defines CSS selectors to match page elements that represent different parts of the feed.
 
 **-t [output type]**