Refactor: Restructure project package hierarchy and add initial implementation for assembler instructions, shell commands, and exception handling.

src/jvmMain/kotlin/mtmc/lang/sea/ast/ExpressionTernary.java

@@ -0,0 +1,16 @@
+package mtmc.lang.sea.ast;
+
+import mtmc.lang.sea.SeaType;
+
+public final class ExpressionTernary extends Expression {
+    public final Expression cond;
+    public final Expression then;
+    public final Expression otherwise;
+
+    public ExpressionTernary(Expression cond, Expression then, Expression otherwise, SeaType type) {
+        super(cond.start, otherwise.end, type);
+        this.cond = cond;
+        this.then = then;
+        this.otherwise = otherwise;
+    }
+}