Adds build to CI

.github/workflows/ci.yml

@@ -33,3 +33,26 @@ jobs:
           components: rustfmt
       - name: Rustfmt
         run: cargo fmt --all -- --check
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          targets: thumbv6m-none-eabi
+          components: rust-src,llvm-tools-preview
+      - uses: baptiste0928/cargo-install@v3
+        with:
+          crate: cargo-binutils
+      - name: Build
+        run: cargo build --release
+      - name: Print Size and convert to Badge JSON
+        run: |
+          cargo size --release
+            | tail -n +2
+            | awk '{printf "{\"message\": \"%d B\"}", $1}'
+            | jq '.schemaVersion = 1'
+            | jq '.label = "Text Size"'
+            | jq '.color = "green"'