add misskey emoji downloader

.config/zsh/functions/mk_dl_emoji

@@ -0,0 +1,20 @@
+#!/usr/bin/env zsh
+# download emojis from a misskey instance
+
+setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL
+
+autoload -U die
+
+[[ ${ARGC} -ne 1 ]] && die 1 "Usage: ${0} <emoji name>"
+local instance=very.tastytea.de
+local name=${1}
+
+local json=$(curl --silent --json '{"name": "'${name}'"}' \
+    https://${instance}/api/emoji)
+local url=$(jq -r .url <<<${json})
+
+curl --location --output --silent ${name} ${url}
+local identification=$(file --extension ${name})
+local extension=${${identification##*: }%%/*}
+mv ${name} ${name}.${extension}
+print "${name}.${extension} downloaded"