chore(deps): add commitizen, remove accidentally added dependencies

* Add commitizen
* Remove @theme-ui/presets
* Remove remark-abbr

Author: Pyrax

package.json

@@ -43,6 +43,7 @@
   "devDependencies": {
     "babel-eslint": "^10.0.3",
     "cross-env": "^7.0.2",
+    "cz-conventional-changelog": "3.2.0",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.7.0",
     "eslint-config-standard": "^14.1.0",
@@ -66,8 +67,11 @@
     "dist"
   ],
   "dependencies": {
-    "@theme-ui/presets": "^0.3.0",
-    "react-google-recaptcha": "^2.1.0",
-    "remark-abbr": "^1.4.0"
+    "react-google-recaptcha": "^2.1.0"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
   }
 }