fix: make css-select and css-tree dependencies instead of peers

fixes #1166

metro tries to resolve the dependencies,
even if the components which are using them are not used / imported.

package.json

@@ -32,26 +32,27 @@
     "gradient"
   ],
   "scripts": {
-    "lint": "eslint --ext .ts,.tsx src",
     "bob": "bob build",
     "flow": "flow src",
     "flowgen": "flowgen src/index.d.ts -o src/index.js.flow",
     "flowtyped": "flow-typed install",
     "format": "prettier README.md './src/**/*.{ts,tsx}' src/index.d.ts --write",
     "jest": "jest",
+    "lint": "eslint --ext .ts,.tsx src",
     "peg": "pegjs -o src/lib/extract/transform.js ./src/lib/extract/transform.peg",
-    "tsc": "tsc --noEmit",
-    "test": "npm run lint && npm run tsc && npm run flow && npm run jest",
     "prepare": "npm run flowgen && npm run bob",
-    "semantic-release": "semantic-release"
+    "semantic-release": "semantic-release",
+    "test": "npm run lint && npm run tsc && npm run flow && npm run jest",
+    "tsc": "tsc --noEmit"
   },
   "peerDependencies": {
-    "css-select": "^2.0.2",
-    "css-tree": "^1.0.0-alpha.37",
     "react": "*",
     "react-native": ">=0.50.0"
   },
-  "dependencies": {},
+  "dependencies": {
+    "css-select": "^2.0.2",
+    "css-tree": "^1.0.0-alpha.37"
+  },
   "devDependencies": {
     "@react-native-community/bob": "^0.7.0",
     "@react-native-community/eslint-config": "^0.0.5",
@@ -62,8 +63,6 @@
     "@types/react-native": "^0.60.21",
     "babel-eslint": "^10.0.3",
     "babel-jest": "^24.9.0",
-    "css-select": "^2.0.2",
-    "css-tree": "^1.0.0-alpha.37",
     "eslint": "^6.5.1",
     "eslint-plugin-flowtype": "^4.3.0",
     "eslint-plugin-prettier": "^3.1.1",