v1.6.0: more options around retrying after errors

README.md

@@ -52,6 +52,12 @@ directory:
 - `SCREENCAP_BOT_18PLUS`: whether posts should be flagged as
   containing 18+ content (default: `false`). this can be overridden
   for individual shows, see below.
+- `SCREENCAP_BOT_RETRY_DELAY`: if taking a capture or creating a post
+  fails, wait this number of seconds before retrying (default: 30)
+- `SCREENCAP_BOT_MAX_RETRIES`: maximum number of consecutive times to
+  retry after a failure before exiting with an error. This can be set
+  to 0 to never retry, or set to -1 to retry indefinitely. (default:
+  5)
 - `RUST_LOG`: log levels, for the app as a whole and/or for specific
   submodules/libraries. See
   [`env_logger`](https://docs.rs/env_logger/latest/env_logger/)'s