aerc: Add flag formatting

office/.config/aerc/aerc.conf

@@ -12,6 +12,34 @@ index-columns = flags>4,name<20%,subject,date>=
 this-week-time-format = Mon 02
 sidebar-width = 15
 
+# column-separator = "│"
+column-flags = {{.Flags | join ""}} \
+    {{map .Labels (exclude .Folder) \
+        (case `^new$` (.Style "" "attention")) \
+        (case `^unread$` (.Style "" "accent")) \
+        (case `^attachment$` (.Style "󰁦" "subdued")) \
+        (case `^replied$` (.Style "↻" "subdued")) \
+        (case `^forwarded$` (.Style "f" "")) \
+        (case `^flagged$` (.Style "!" "highlight")) \
+        (case `^important$` (.Style "" "highlight")) \
+        (default "") \
+        | join "" }}
+
+column-subject = {{(.Style .ThreadPrefix "subdued")}}{{if .ThreadFolded}}{{printf (.Style "%d " "subdued") .ThreadCount}}{{end}}{{.Subject}}
+
+icon-new = ""
+icon-old = ""
+icon-attachment = ""
+icon-replied = ""
+icon-forwarded = ""
+icon-deleted = ""
+icon-flagged = ""
+icon-marked = ""
+icon-signed = ""
+icon-encrypted = ""
+icon-unknown = ""
+icon-invalid = ""
+
 threading-enabled = true
 reverse-thread-order = true
 show-thread-context = true