Added the priciples, sub principles and the groups.

db/migrate/20220611182950_principle.rb

@@ -1,4 +0,0 @@
-class Principle < ActiveRecord::Migration[7.0]
-  def change
-  end
-end

db/migrate/20220611190503_create_subprinciples.rb

@@ -0,0 +1,12 @@
+class CreateSubprinciples < ActiveRecord::Migration[7.0]
+  def change
+    create_table :subprinciples do |t|
+      t.references :principle, null: false, foreign_key: true
+      t.string :name
+      t.text :description
+
+      t.timestamps
+    end
+    add_index :subprinciples, :name
+  end
+end

db/migrate/20220611192407_create_subprincipalitemgroups.rb

@@ -0,0 +1,10 @@
+class CreateSubprincipalitemgroups < ActiveRecord::Migration[7.0]
+  def change
+    create_table :subprincipleitemgroups do |t|
+      t.references :subprinciple, null: false, foreign_key: true
+      t.string :type
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20220611194255_create_subprincipalitems.rb

@@ -0,0 +1,11 @@
+class CreateSubprincipalitems < ActiveRecord::Migration[7.0]
+  def change
+    create_table :subprinciplitems do |t|
+      t.references :subprincipleitemgroup, null: false, foreign_key: true
+      t.text :description
+      t.boolean :affirmative
+
+      t.timestamps
+    end
+  end
+end