add: user pinned projects

db/migrate/20210527024043_create_pinned_projects.rb

@@ -0,0 +1,11 @@
+class CreatePinnedProjects < ActiveRecord::Migration[5.2]
+  def change
+    create_table :pinned_projects do |t|
+      t.references :user 
+      t.references :project
+      t.integer :position, default: 0
+
+      t.timestamps
+    end
+  end
+end