Merge .github/workflows/build-pic.yml from master branch

.github/workflows/build-pic.yml

@@ -0,0 +1,34 @@
+name: Build firmware with xc8
+
+on:
+  push:
+    branches: [ "master", "red-pulse" ]
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install deps & xc8
+      run: |
+        sudo dpkg --add-architecture i386
+        sudo apt update
+        sudo apt install -y libc6:i386 libx11-6:i386 libxext6:i386 libstdc++6:i386 libexpat1:i386 libusb-1.0-0-dev wget sudo make
+        sudo apt clean
+        sudo apt autoremove --purge -y
+        wget -nv -O /tmp/xc8 "https://ww1.microchip.com/downloads/aemDocuments/documents/DEV/ProductDocuments/SoftwareTools/xc8-v2.40-full-install-linux-x64-installer.run"
+        chmod +x /tmp/xc8
+        sudo /tmp/xc8 --mode unattended --unattendedmodeui none --netservername localhost --LicenseType FreeMode --prefix "/opt/microchip/xc8"
+        wget -nv -O /tmp/picdfp.zip "https://packs.download.microchip.com/Microchip.PIC10-12Fxxx_DFP.1.7.178.atpack"
+        sudo mkdir /opt/microchip/dfp
+        sudo unzip /tmp/picdfp.zip -d /opt/microchip/dfp
+        rm /tmp/xc8 /tmp/picdfp.zip
+        
+
+    - name: Build
+      run: |        
+        /opt/microchip/xc8/bin/xc8-cc -mcpu=10F200 -mdfp=/opt/microchip/dfp/xc8 -v -O2 -maddrqual=ignore -v -mwarn=0 -Wa,-a -Wl,--data-init -mno-osccal -mresetbits -msave-resetbits -mno-download -mno-stackcall -mno-config -mno-default-config-bits -std=c90 -mc90lib -mstack=compiled:auto flashlight.c