added supabase

supabase/migrations/20240101000001_create_posts_table.sql

@@ -0,0 +1,38 @@
+-- Create posts table
+create table if not exists public.posts (
+  id text primary key,  -- slug-based ID
+  title text not null,
+  date timestamptz not null,
+  excerpt text not null default '',
+  content text not null default '',  -- raw markdown
+  content_html text not null default '',  -- pre-rendered HTML
+  author text not null default '',
+  tags text[] not null default '{}',
+  cover_image text,
+  published boolean not null default false,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+-- Indexes
+create index if not exists idx_posts_date on public.posts (date desc);
+create index if not exists idx_posts_published on public.posts (published);
+create index if not exists idx_posts_author on public.posts (author);
+create index if not exists idx_posts_tags on public.posts using gin (tags);
+
+-- Auto-update trigger for updated_at
+create or replace function public.handle_updated_at()
+returns trigger as $$
+begin
+  new.updated_at = now();
+  return new;
+end;
+$$ language plpgsql;
+
+create trigger on_posts_updated
+  before update on public.posts
+  for each row
+  execute function public.handle_updated_at();
+
+-- Enable RLS
+alter table public.posts enable row level security;