Update dependency list

Declare styled-components as dependency.

.npmignore

@@ -0,0 +1,8 @@
+.storybook/
+src/
+node_modules/
+.editorconfig/
+.prettierrc/
+keys.html/
+tsconfig.json/
+yarn.lock/

package.json

@@ -19,6 +19,9 @@
     "storybook": "start-storybook -p 6006",
     "build-storybook": "build-storybook"
   },
+  "dependencies": {
+    "styled-components": "^5.1.1"
+  },
   "peerDependencies": {
     "react": ">=16"
   },
@@ -51,7 +54,6 @@
     "react-docgen-typescript-loader": "^3.7.2",
     "react-dom": "^16.13.1",
     "react-is": "^16.13.1",
-    "styled-components": "^5.1.1",
     "ts-loader": "^8.0.2",
     "tsdx": "^0.13.2",
     "tslib": "^2.0.0",