Add initial templates for group report, group specification, technical report,...

Add initial templates for group report, group specification, technical report, and technical specification

- Created introduction, modal verbs terminology, and executive summary templates for group report.
- Added annexes for bibliography and change history in group specification.
- Implemented clauses for scope, references, definitions, and intellectual property rights in group specification.
- Developed front page and foreword templates for group specification.
- Established history and change history templates for technical report.
- Created similar templates for technical specification including clauses and annexes.
- Introduced a JSON file for file order structure.