Fix CSS on Build (#18)

* Use same version of SC as in rLogin.

* ignore windows debug.log file.

* revert jsx setting caused by build.

* Set fixed version of typescript, ref: facebook/create-react-app#10110.

Author: jessgusclark

.gitignore

@@ -22,3 +22,4 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+debug.log

package.json

@@ -25,7 +25,7 @@
     "react-dom": "^17.0.1",
     "react-scripts": "4.0.0",
     "rskjs-util": "^1.0.3",
-    "typescript": "^4.0.3"
+    "typescript": "~4.0.5"
   },
   "devDependencies": {
     "@rsksmart/ipfs-cpinner-client": "^0.1.1-beta.2",
@@ -62,7 +62,7 @@
     "redux": "^4.0.5",
     "redux-logger": "^3.0.6",
     "redux-thunk": "^2.3.0",
-    "styled-components": "^5.2.1",
+    "styled-components": "5.2.0",
     "ts-jest": "^26.4.3",
     "web-vitals": "^0.2.4"
   },