chore: update eslint config and typescript (#29)

Author: Naturalclar

example/index.js

@@ -45,7 +45,7 @@ class ProgressViewExample extends React.Component<Props, State> {
   /* $FlowFixMe(>=0.85.0 site=react_native_fb) This comment suppresses an error
    * found when Flow v0.85 was deployed. To see the error, delete this comment
    * and run Flow. */
-  getProgress = offset => {
+  getProgress = (offset) => {
     const progress = this.state.progress + offset;
     return Math.sin(progress % Math.PI) % 1;
   };

package.json

@@ -41,25 +41,22 @@
   "devDependencies": {
     "@babel/core": "^7.4.3",
     "@babel/runtime": "^7.4.3",
-    "@react-native-community/eslint-config": "^0.0.7",
-    "@react-native-community/eslint-plugin": "^1.0.0",
+    "@react-native-community/eslint-config": "^1.0.0",
     "@types/react": "^16.9.19",
     "@types/react-native": "^0.61.2",
     "babel-jest": "24.7.1",
     "babel-plugin-module-resolver": "^3.2.0",
     "eslint": "^6.8.0",
-    "eslint-plugin-prettier": "^3.1.2",
     "flow-bin": "0.105.2",
     "jest": "^25.1.0",
     "metro-react-native-babel-preset": "0.53.1",
-    "prettier": "^1.19.1",
     "react": "16.8.3",
     "react-native": "^0.61.5",
     "react-test-renderer": "16.8.3",
-    "typescript": "^3.7.5"
+    "typescript": "^3.8.3"
   },
   "peerDependencies": {
-    "react": "^16.8.3",
+    "react": ">16.8.3",
     "react-native": ">=0.59.5"
   },
   "publishConfig": {