fix animation_format in not applied; fix outdated readme (#50)

Author: cksit

README.md

@@ -62,7 +62,7 @@ homeserver_url = "https://matrix-client.matrix.org"
 access_token = "YOUR-MATIRX-ACESSTOKEN"
 
 [sticker]
-transparent_color = { r = 0, g = 0, b = 0, alpha = true }
+transparent_color = { r = 0, g = 0, b = 0, a = true }
 animation_format = "webp"
 ```
 The `[sticker]` section is optional and can be left out.

mstickereditor/src/sub_commands/import.rs

@@ -60,6 +60,7 @@ pub async fn run(mut opt: Opt) -> anyhow::Result<()> {
 	import_config.dry_run = opt.dryrun;
 	import_config.keep_webm = opt.keep_webm;
 	import_config.keep_lottie = opt.keep_lottie;
+	import_config.animation_format = config.sticker;
 	let import_config = import_config;
 	let mut empty_packs = Vec::new();