fix: no newline at end of file

pkg/changelog/testdata/TestMarkdownGeneratorGenerate/empty_old_data.golden

@@ -12,4 +12,4 @@
 
 ### Others
 
-- chore: new build
+- chore: new build

pkg/changelog/testdata/TestMarkdownGeneratorGenerate/many_commits.golden

@@ -22,4 +22,4 @@
 
 - chore(gitlab): release on gitlab
 
-- unleash the dragon
+- unleash the dragon

pkg/markdown/generate.go

@@ -4,10 +4,12 @@ import "strings"
 
 func Generate(bases []Node) string {
 	lines := make([]string, len(bases))
-
 	for i, base := range bases {
 		lines[i] = base.String()
 	}
 
-	return strings.Join(lines, string(NewlineToken)+string(NewlineToken))
+	result := strings.Join(lines, string(NewlineToken)+string(NewlineToken))
+	// Fix no newline at end of file
+	result += string(NewlineToken)
+	return result
 }

pkg/markdown/generate_test.go

@@ -26,7 +26,7 @@ func TestGenerate(t *testing.T) {
 					text: "item 2",
 				},
 			},
-			want: "# header\n\n- item 1\n\n- item 2",
+			want: "# header\n\n- item 1\n\n- item 2\n",
 		},
 	}