Closes #3809. Attachments are now available through the message viewer and are saved as individual files outside of the database.

sql/Version-002.sql

@@ -0,0 +1,15 @@
+
+--
+-- MessageAttachmentTable
+--
+
+CREATE TABLE MessageAttachmentTable (
+    id INTEGER PRIMARY KEY,
+    message_id INTEGER REFERENCES MessageTable ON DELETE CASCADE,
+    filename TEXT,
+    mime_type TEXT,
+    filesize INTEGER
+);
+
+CREATE INDEX MessageAttachmentTableMessageIDIndex ON MessageAttachmentTable(message_id);
+