version styled-component

fix: #1 move styled-component to peerDependencies and make compatible for v4 and v5.

Author: John-Nathan Michielsens

package.json

@@ -36,7 +36,8 @@
  "license": "MIT",
  "peerDependencies": {
  "react": "^16.3.2",
- "react-dom": "^16.3.2"
+ "react-dom": "^16.3.2",
+ "styled-components": "^4 || ^5"
  },
  "devDependencies": {
  "@types/jest": "^24.0.18",
@@ -62,9 +63,6 @@
  "typescript": "^3.6.2",
  "uglify": "^0.1.5"
  },
- "dependencies": {
- "styled-components": "^4.3.2"
- },
  "prettier": {
  "parser": "typescript"
  }