add a way for mods to create a password reset link for users

app/schema.py

@@ -83,6 +83,13 @@ SCHEMA = [
     "reaction_text" TEXT NOT NULL DEFAULT ''
     )""",
 
+    """CREATE TABLE IF NOT EXISTS "password_reset_links" (
+    "id" INTEGER NOT NULL PRIMARY KEY,
+    "user_id" REFERENCES users(id) ON DELETE CASCADE,
+    "expires_at" INTEGER DEFAULT (unixepoch(CURRENT_TIMESTAMP)),
+    "key" TEXT NOT NULL UNIQUE
+    )""",
+
     # INDEXES
     "CREATE INDEX IF NOT EXISTS idx_post_history_post_id ON post_history(post_id)",
     "CREATE INDEX IF NOT EXISTS idx_posts_thread ON posts(thread_id, created_at, id)",