chore(chainage): rename chainge to segment

src/app/(modules)/package/page.tsx

@@ -436,7 +436,7 @@ export default function PackagePage() {
                     htmlFor="chainage-start"
                     className="text-[11px] font-bold text-muted-foreground uppercase tracking-wider"
                   >
-                    Chainage Start (km)
+                    Segment Start (km)
                   </Label>
                   <Input
                     id="chainage-start"
@@ -454,7 +454,7 @@ export default function PackagePage() {
                     htmlFor="chainage-end"
                     className="text-[11px] font-bold text-muted-foreground uppercase tracking-wider"
                   >
-                    Chainage End (km)
+                    Segment End (km)
                   </Label>
                   <Input
                     id="chainage-end"