[Dovecot] Added seperate XAPIAN Conf

data/conf/dovecot/FTS-Xapian.conf

@@ -0,0 +1,20 @@
+plugin {
+    fts = xapian
+    fts_xapian = partial=3 full=20 verbose=0
+    fts_autoindex = yes
+    fts_enforced = yes
+    fts_autoindex_exclude = \Trash
+    fts_decoder = decode2text
+}
+
+service indexer-worker {
+    vsz_limit = 1024m
+}
+
+service decode2text {
+    executable = script /usr/local/bin/decode2text.sh
+    user = dovecot
+    unix_listener decode2text {
+        mode = 0666
+    }
+}