Add higher education institution type to the institution entity

[mcaeiror]

This field is available in OOAPI: "secondary vocational education", "higher professional education", "University education"

Along European countries, different types of higher education institutions are recognised, each one of them with varied capabilities and attributions depending on the country.

A vocabulary is needed of the type of higher education institutions.

Eurodyce (https://eurydice.eacea.ec.europa.eu/national-education-systems/spain/types-higher-education-institutions) keeps information about higher education types in different countries:

• Austria:
  Public Universities (Öffentliche Universitäten)
  Universities of Applied Sciences (Fachhochschulen, FH)
  Private Higher Education Institutions (HEIs) (Privathochschulen und Privatuniversitäten)
  University Colleges of Teacher Education (Pädagogische Hochschulen)

• Czech republic
  Higher education institutions (vysoké školy)
  Tertiary professional schools (vyšší odborné školy)

• Estonia
  Universities
  Institution of Professional Higher Education

• France
  Universities
  Schools and institutes outside of universities
  Higher education institutions, French schools abroad and "grands établissements" (major institutions)
  "Communautés d’universités et établissements" (COMUE - Communities of Universities and Schools)

• Greece
  Universities
  Military Educational Institutions
  Merchant Naval Academies
  Technological Educational Institute

• Portugal:
  University
  Polytechnic

• Slovenia
  Higher vocational colleges (HVCs)
  universities
  facultiesacademies of arts
  professional HEIs

• Spain:
  University education:
  Public university
  Private university
  Non-university education
  Advanced vocational training
  Artistic education: advanced professional studies in plastic arts and design
  Artistic education: advanced artistic education
  Advanced sports education

• The netherlands:
  universiteit (university)
  hogeschool (university of applied sciences)