feat(*): add line endings rule, add automatic formatting for fixable violations

src/rules/line/noTrailingSpaces.ts

@@ -17,6 +17,7 @@ const test = (value: string, lineNumber: number) =>
           severity: Severity.Warning
         }
       ]
+const fix = (value: string) => value.trimEnd()
 
 /**
  * Lint rule that checks for the presence of trailing space(s) in a given line of text.
@@ -26,5 +27,6 @@ export const noTrailingSpaces: LineLintRule = {
   name,
   description,
   message,
-  test
+  test,
+  fix
 }