Initial public release of Warp.

Repo-Sync-Origin: warpdotdev/warp-internal@12af1d983b

crates/persistence/migrations/2021-10-18-232826_create_windows_and_tabs/up.sql

@@ -0,0 +1,19 @@
+CREATE TABLE windows (
+  id INTEGER PRIMARY KEY NOT NULL,
+  active_tab_index INTEGER NOT NULL CHECK (active_tab_index >= 0),
+  window_width FLOAT CHECK (window_width >= 0),
+  window_height FLOAT CHECK (window_height >= 0),
+  origin_x FLOAT,
+  origin_y FLOAT,
+  CONSTRAINT Bound_integrity CHECK (
+    COALESCE(window_width, window_height, origin_x, origin_y) IS NOT NULL
+    OR COALESCE(window_width, window_height, origin_x, origin_y) IS NULL
+  )
+);
+
+CREATE TABLE tabs (
+  id INTEGER PRIMARY KEY NOT NULL,
+  window_id INTEGER NOT NULL,
+  cwd TEXT,
+  FOREIGN KEY(window_id) REFERENCES windows(id)
+);