feat: Add .gitattributes to enforce LF line endings

.gitattributes

@@ -0,0 +1,3 @@
+* text=auto
+
+*.sh eol=lf

Dockerfile

@@ -55,7 +55,7 @@ COPY --from=builder /usr/local/lib/python3.11/site-packages/ /usr/local/lib/pyth
 COPY --from=builder /app/led_matrix_application /app/
 COPY --from=builder /app/rgbmatrix /app/rgbmatrix
 
-COPY entry.sh /usr/bin/entry.sh
+COPY src/entry.sh /usr/bin/entry.sh
 COPY src/led_matrix_application/run_setup_mode.py /app/led_matrix_application/run_setup_mode.py
 COPY ui/ /app/ui
 

Dockerfile.dev

@@ -30,7 +30,6 @@ COPY src/pyproject.toml src/poetry.lock* ./
 RUN poetry lock && poetry install --no-root
 
 COPY src/ .
-COPY entry.sh /usr/bin/entry.sh
-RUN chmod +x /usr/bin/entry.sh
+RUN chmod +x /app/entry.sh
 
-CMD ["/usr/bin/entry.sh"]
+CMD ["/app/entry.sh"]