Update tvguide.com

sites/tvguide.com/readme.md

@@ -0,0 +1,21 @@
+# tvguide.com
+
+https://www.tvguide.com/listings/
+
+### Download the guide
+
+```sh
+npm run grab -- --site=tvguide.com
+```
+
+### Update channel list
+
+```sh
+npm run channels:parse -- --config=./sites/tvguide.com/tvguide.com.config.js --output=./sites/tvguide.com/tvguide.com.channels.xml
+```
+
+### Test
+
+```sh
+npm test -- tvguide.com
+```