Update README.md (#56)

* Update README.md

I removed the duplicate option of language, so now it's only listed in the exclusion instead of in both.

* Update README.md

also fixed the pubdate parser to be accurate to the feed

<pubDate>Wed, 22 Dec 2021 15:12:17 EST</pubDate>

'%a, %d %b %Y %H:%M:%S %Z'

Author: smasongarrison

README.md

@@ -25,15 +25,14 @@ sensor:
   platform: feedparser
   name: Engineering Feed
   feed_url: 'https://www.sciencedaily.com/rss/matter_energy/engineering.xml'
-  date_format: '%a, %b %d %I:%M %p'
+  date_format: '%a, %d %b %Y %H:%M:%S %Z'
   scan_interval:
     hours: 3
   inclusions:
     - title
     - link
     - description
     - image
-    - language
     - pubDate
   exclusions:
     - language