Add institution management and account editing controls (#868)

* Add institution management

* Allow user to select institution on create or edit

* Improve redirect behavior

* Final cleanup

* i18n normalization

app/controllers/institutions_controller.rb

@@ -0,0 +1,35 @@
+class InstitutionsController < ApplicationController
+  before_action :set_institution, except: %i[ new create ]
+
+  def new
+    @institution = Institution.new
+  end
+
+  def create
+    Current.family.institutions.create!(institution_params)
+    redirect_to accounts_path, notice: t(".success")
+  end
+
+  def edit
+  end
+
+  def update
+    @institution.update!(institution_params)
+    redirect_to accounts_path, notice: t(".success")
+  end
+
+  def destroy
+    @institution.destroy!
+    redirect_to accounts_path, notice: t(".success")
+  end
+
+  private
+
+    def institution_params
+      params.require(:institution).permit(:name, :logo)
+    end
+
+    def set_institution
+      @institution = Current.family.institutions.find(params[:id])
+    end
+end