Change width of fields on Edit page

[minhtri]

Step 1: Copy strapi-plugin-content-manager in node_modules
Step 2: Paste to <app_name>/extensions/strapi-plugin-content-manager
Step 3: Rename strapi-plugin-content-manager to content-manager
Step 4: Renove all folder test or __test__
Step 5: Change file: <app_name>/extensions/content-manager/admin/src/containers/EditSettingsView/utils/layout.js
=> Add type of custom field or change value default

Step 6: Change file <app_name>/extensions/content-manager/services/utils/configuration/layouts.js

=> Add type of custom field or change value default (Same as step 5)
Step 7: Remove .cache & build folder
Step 8: yarn develop --watch-admin

I use Strapi version 3.6.8