cache user's metdata in db

src-tauri/migrations/20230418013219_initial_data.sql

@@ -47,4 +47,13 @@ CREATE TABLE
     key TEXT NOT NULL,
     value TEXT NOT NULL,
     created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+  );
+
+-- create metadata table
+CREATE TABLE
+  metadata (
+    id TEXT NOT NULL PRIMARY KEY,
+    pubkey TEXT NOT NULL,
+    content TEXT NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
   );

src-tauri/migrations/20230420040005_insert_last_login_to_settings.sql

@@ -8,7 +8,7 @@ VALUES
     '["wss://relayable.org","wss://relay.damus.io","wss://relay.nostr.band/all","wss://relay.nostrgraph.net","wss://nostr.mutinywallet.com"]'
   ),
   ("auto_start", "0"),
-  ("cache_time", "86400"),
+  ("cache_time", "86400000"),
   ("compose_shortcut", "meta+n"),
   ("add_imageblock_shortcut", "meta+i"),
   ("add_feedblock_shortcut", "meta+f")