Add nightly UI build

.github/workflows/build.yml

@@ -68,6 +68,14 @@ jobs:
               release/*.elf
               release/*.zip
 
+          - arch: nrf52840
+            board: heltec-mesh-node-t114
+            artifact-paths: |
+              release/*.hex
+              release/*.uf2
+              release/*.elf
+              release/*.zip
+
           - arch: esp32s3
             board: t-energy-s3_e22
             artifact-paths: |

.github/workflows/nightly_ui.yml

@@ -0,0 +1,13 @@
+name: Build UI nightly
+on:
+  schedule:
+    - cron: '0 4 * * *'  # Nightly
+  workflow_dispatch:  # Debugging
+
+jobs:
+  ui-build:
+    name: Build Experimental UI
+    uses: ./.github/workflows/build.yml
+    with:
+      meshtastic_firmware_ref: tft-gui-work
+      create_release: false