chore: Add an initial Sqitch schema for SQLite.

.gitignore

@@ -40,3 +40,7 @@ cabal.project.local*
 
 # generated files
 /openapi.json
+
+# SQLite
+*.db
+*.sqlite3

sqitch/sqitch.conf

@@ -9,3 +9,6 @@
 [engine "pg"]
 	target = db:pg:
 	top_dir = pg
+[engine "sqlite"]
+	target = db:sqlite:
+	top_dir = sqlite

sqitch/sqlite/deploy/sessions.sql

@@ -0,0 +1,13 @@
+-- Deploy primer:sessions to sqlite
+
+BEGIN;
+
+CREATE TABLE sessions (
+    uuid         TEXT NOT NULL PRIMARY KEY,
+    gitversion   TEXT NOT NULL,
+    app          TEXT NOT NULL,
+    name         TEXT NOT NULL,
+    lastmodified DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+COMMIT;

sqitch/sqlite/revert/sessions.sql

@@ -0,0 +1,7 @@
+-- Revert primer:sessions from sqlite
+
+BEGIN;
+
+DROP TABLE sessions;
+
+COMMIT;

sqitch/sqlite/sqitch.plan

@@ -0,0 +1,5 @@
+%syntax-version=1.0.0
+%project=primer
+%uri=https://github.com/hackworthltd/primer
+
+sessions 2023-03-01T21:10:10Z Drew Hess <[email protected]> # Create the sessions table.

sqitch/sqlite/verify/sessions.sql

@@ -0,0 +1,9 @@
+-- Verify primer:sessions on sqlite
+
+BEGIN;
+
+SELECT uuid, gitversion, app, name, lastmodified
+    FROM sessions
+WHERE 0;
+
+ROLLBACK;