ADD model ProjectLanguage

app/models/project_language.rb

@@ -0,0 +1,2 @@
+class ProjectLanguage < ApplicationRecord
+end

db/migrate/20191218023731_create_project_languages.rb

@@ -0,0 +1,17 @@
+class CreateProjectLanguages < ActiveRecord::Migration[5.2]
+  def change
+    create_table :project_languages do |t|
+      t.string :name
+      t.integer :position
+      t.integer :projects_count, :default => 0
+
+      t.timestamps
+    end
+
+    names = %w(Ruby C C# C++ HTML Haml CSS JavaScript Python PHP Java JSON JSX Lex Shell Objective-C Cycript Clojure Go Grace Gradle GraphQL Dart Elixir Erlang Perl R Reason Sass Slice SVG)
+    names.each do |name|
+      ProjectLanguage.find_or_create_by!(name: name)
+    end
+
+  end
+end