Add keyword field in database

db/migrate/20200421152314_create_favorite_people.rb

@@ -7,6 +7,8 @@ class CreateFavoritePeople < ActiveRecord::Migration[6.0]
       t.string :last_name
       t.string :picture_uri
       t.string :personal_annotation
+      t.string :keywords
+
       t.timestamps
     end
   end

db/migrate/20200521091231_create_favorite_courses.rb

@@ -7,6 +7,7 @@ class CreateFavoriteCourses < ActiveRecord::Migration[6.0]
       t.string :semester, null: false
       t.string :title, null: false
       t.string :personal_annotation
+      t.string :keywords
 
       t.timestamps
     end

db/migrate/20200525132942_create_favorite_theses.rb

@@ -5,6 +5,7 @@ class CreateFavoriteTheses < ActiveRecord::Migration[6.0]
       t.belongs_to :user
       t.string :title
       t.string :personal_annotation
+      t.string :keywords
 
       t.timestamps
     end

db/migrate/20200529081537_create_favorite_projects.rb

@@ -5,6 +5,7 @@ class CreateFavoriteProjects < ActiveRecord::Migration[6.0]
       t.belongs_to :user
       t.string :title
       t.string :personal_annotation
+      t.string :keywords
 
       t.timestamps
     end