YAML based config for PI / Portduino (#2943)

* Add configuration via /etc/meshtastic/config.yaml

* Move example config, support more locations

* Fix config check

* Use access() to check for config file presence

* Throw an error and exit on radio init fail

* Adds error check for reading Bluetooth MAC

* Settle on meshtasticd, add install script

* Shell fixes

* Fine. I'll put it back and then disable you

* Get wrekt, shellchekt

* Firat attempt at adding raspbian CI build

* Tickle the workflow

* Beatings will continue til morale improves

* Permissions are overrated

---------

Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>

.github/workflows/build_raspbian.yml

@@ -0,0 +1,30 @@
+name: Build Raspbian
+
+on: workflow_call
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  build-raspbian:
+    runs-on: [self-hosted, linux, ARM64]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build base
+        id: base
+        uses: ./.github/actions/setup-base
+
+      - name: Build Raspbian
+        run: bin/build-native.sh
+
+      - name: Get release version string
+        run: echo "version=$(./bin/buildinfo.py long)" >> $GITHUB_OUTPUT
+        id: version
+
+      - name: Store binaries as an artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: firmware-native-${{ steps.version.outputs.version }}.zip
+          path: |
+            release/meshtasticd_linux_arm64