chore: organize documentation structure for monorepo

- Create /docs structure (microdao, daarion, agents)
- Organize 61 cursor technical docs
- Add README files for each category
- Copy key documents to public categories
- Add GitHub setup instructions and scripts

supabase/migrations/000006_rwa.sql

@@ -0,0 +1,18 @@
+-- 000006_rwa.sql
+-- Up
+
+create table if not exists rwa_inventory (
+  id text primary key,             -- rwa_...
+  team_id text not null references teams(id) on delete cascade,
+  type text not null check (type in ('energy','food','water','essence','generic')),
+  quantity numeric(30, 8) not null check (quantity >= 0),
+  unit text not null default 'unit',
+  metadata jsonb default '{}'::jsonb,
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_rwa_inventory_team_type
+  on rwa_inventory(team_id, type);
+
+-- Down
+drop table if exists rwa_inventory cascade;