Merge branch 'develop' into 'master'

Update README to reflect JSON instead of plaintext body

See merge request !4

README.md

@@ -14,11 +14,12 @@ Slash command to record completed tasks as WordPress posts
 
 ## Usage:
 
-1. Make a POST request to `/log` with a POST body that contains the item to record
-
-For example:
+1. Make a POST request to `/log` with a JSON POST body that contains the key `text` with the item to record. For example:
 
 ```
-curl -X "POST" "http://localhost:9001/log" \
-     -d "I wrote a a thing!"
+curl -X "POST" "http://127.0.0.1:9001/log" \
+     -H "Content-Type: application/json; charset=utf-8" \
+     -d $'{
+  "text": "I did a thing"
+}'
 ```