feat(v3): restructure project + add complete frontend

- Restructure: move backend from new_project/ to backend/
- Add full React/TypeScript frontend (37 pages, 17 services, 16 type defs, 11 query hooks)
- Add docs/ with SRS specs, user stories, and workflow documentation
- Update .gitignore for new directory layout

Workflows implemented:
  WF1 User Signup, WF2 Placement Test, WF3 Exam Configuration,
  WF4 General English Exam, WF5 Course Generation,
  WF6 Entity Student Onboarding, AI Course Generation,
  Adaptive Learning Engine UI, White-Label Branding, Score Release

Made-with: Cursor

custom_addons/encoach_adaptive/models/adaptive_path.py

@@ -0,0 +1,16 @@
+from odoo import models, fields
+
+
+class EncoachAdaptivePath(models.Model):
+    _name = 'encoach.adaptive.path'
+    _description = 'Adaptive Learning Path'
+
+    student_id = fields.Many2one('res.users', required=True, ondelete='cascade', index=True)
+    course_id = fields.Many2one('op.course', ondelete='set null')
+    module_queue = fields.Text()
+    source = fields.Selection([
+        ('placement', 'Placement'),
+        ('exam', 'Exam'),
+        ('ai_generated', 'AI Generated'),
+    ])
+    next_generation_brief = fields.Text()