feat(apps): add tickrs stock TUI with custom watchlist

apps/tickrs/default.nix

@@ -0,0 +1,21 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [ tickrs ];
+
+  xdg.configFile."tickrs/config.yml".text = ''
+    symbols:
+      - NVDA
+      - AMD
+      - LAC
+      - ONDS
+      - SLV
+      - GOOGL
+      - TSM
+    show_volumes: true
+    show_x_axis: true
+    show_y_axis: true
+    time_frame: Day
+    update_frequency: 1
+    chart_type: Candle
+  '';
+}

modules/home/apps-optional.nix

@@ -2,5 +2,6 @@
   imports = [
     ../../apps/btop
     ../../apps/jellyfin
+    ../../apps/tickrs
   ];
 }