Add types for react and tsconfig

package.json

@@ -5,6 +5,7 @@
   "version": "0.1.0",
   "author": "TPH",
   "dependencies": {
+    "@types/styled-components": "^4.1.18",
     "axios": "^0.19.0",
     "babel-plugin-styled-components": "^1.10.6",
     "gatsby": "^2.13.39",
@@ -24,7 +25,6 @@
     "highlight.js": "^9.15.8",
     "node-sass": "^4.12.0",
     "prismjs": "^1.17.1",
-    "prop-types": "^15.7.2",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-helmet": "^5.2.1",
@@ -32,6 +32,9 @@
     "styled-components": "^4.3.2"
   },
   "devDependencies": {
+    "@types/react": "^16.8.23",
+    "@types/react-dom": "^16.8.5",
+    "@types/react-helmet": "^5.0.8",
     "prettier": "^1.18.2"
   },
   "keywords": [
@@ -48,9 +51,9 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/gatsbyjs/gatsby-starter-default"
+    "url": "https://github.com/the-programmers-hangout/website"
   },
   "bugs": {
-    "url": "https://github.com/gatsbyjs/gatsby/issues"
+    "url": "https://github.com/the-programmers-hangout/website/issues"
   }
 }