chore: linter config and errors from linter and sonar (#84)

Author: derberg

.eslintrc

@@ -74,7 +74,7 @@ rules:
   space-in-parens: [2, never]
   space-unary-ops: [2, {words: true, nonwords: false}]
   wrap-regex: 2
-  linebreak-style: [2, unix]
+  linebreak-style: 0
   semi: [2, always]
   arrow-spacing: [2, {before: true, after: true}]
   no-class-assign: 2