Move react-native-picker to peer dependencies (#523)

Co-authored-by: Asen Mitrev <asen.mitrev@mentormate.com>

README.md

@@ -21,6 +21,8 @@ For either platform, you can alternatively pass down a child element of your cho
 
 ### Installing
 
+This package is built around and depends on [@react-native-picker/picker](https://github.com/react-native-picker/picker). Please make sure you install it correctly (as seen below in installation steps).
+
 ```
 npm install react-native-picker-select
 

package.json

@@ -24,10 +24,10 @@
  "/src"
  ],
  "dependencies": {
- "@react-native-picker/picker": "^1.8.3",
  "lodash.isequal": "^4.5.0"
  },
  "devDependencies": {
+ "@react-native-picker/picker": "^2.4.0",
  "@types/react-native": "^0.60.22",
  "babel-jest": "^23.6.0",
  "babel-preset-react-native": "^4.0.1",
@@ -52,6 +52,9 @@
  "react-native": "0.57.7",
  "react-test-renderer": "^16.6.1"
  },
+ "peerDependencies": {
+ "@react-native-picker/picker": "^2.4.0"
+ },
  "scripts": {
  "test": "jest",
  "test:watch": "jest --watch",

yarn.lock

@@ -999,10 +999,10 @@
  "@nodelib/fs.scandir" "2.1.5"
  fastq "^1.6.0"
 
-"@react-native-picker/picker@^1.8.3":
- version "1.8.3"
- resolved "https://registry.yarnpkg.com/@react-native-picker/picker/-/picker-1.8.3.tgz#fcbf969a4add749fc37ef064a5eb55eadc93db39"
- integrity sha512-zfr8k9L5BJVN7fIrmrto1cCptZjkGoiKWeZTsCR+XormQnWj0Tqrv0S9Ni3SvdT5JZ2OAQ9H+edMRSUvrAxwQA==
+"@react-native-picker/picker@^2.4.0":
+ version "2.5.1"
+ resolved "https://registry.yarnpkg.com/@react-native-picker/picker/-/picker-2.5.1.tgz#dfa13d5b97bfbedf1f7e7c608181a82f1d58b351"
+ integrity sha512-/sADUfQsosMRYtrqqL3ZYZSECRygj0fXtpRLqxJfwuMEoqfvfn40756R6B1alzusVvDRZFI0ari0iQid56hA/Q==
 
 "@types/json5@^0.0.29":
  version "0.0.29"