code style

Author: rusefillc

.junie/guidelines.md

@@ -5,3 +5,18 @@
 - `DbcImageTool` renders time series of CANPacket into image
 - `ChartImage` encapsulates a BufferedImage for rendering charts
 - `AutoFormatReader` universal trace reader
+
+### Code Style
+Always use curly braces for `if` statements.
+
+Correct:
+```java
+if (customStartBit == -1 || customLength <= 0) {
+    return false;
+}
+```
+
+Incorrect:
+```java
+if (customStartBit == -1 || customLength <= 0) return false;
+```