chore: move peer dependencies to dependencies (#24)

closes #23

Author: scink

package.json

@@ -20,20 +20,16 @@
     "@types/jest": "^22.2.0",
     "conventional-changelog-cli": "^2.0.5",
     "dx-lint": "github:devex-web-frontend/dx-lint",
-    "fp-ts": "^1.2.0",
     "jest": "^22.4.2",
     "jest-cli": "^23.6.0",
-    "io-ts": "^1.3.1",
-    "io-ts-types": "^0.3.14",
     "prettier": "^1.10.2",
     "ts-jest": "^23.10.4",
-    "tslib": "^1.9.0",
     "tslint": "^5.9.1",
     "tslint-config-prettier": "^1.7.0",
     "tslint-plugin-prettier": "^1.3.0",
     "typescript": "^2.8.1"
   },
-  "peerDependencies": {
+  "dependencies": {
     "fp-ts": "^1.2.0",
     "io-ts": "^1.3.1",
     "io-ts-types": "^0.3.14",