chore: import upstream snapshot with attribution

examples/make a geographic data application using sqlite extensions/sqlpage/migrations/0000_create_db.sql

@@ -0,0 +1,23 @@
+-- Create a spatialite-enabled database
+CREATE TABLE spatial_data (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT NOT NULL,
+    geom POINT,
+    description TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+SELECT InitSpatialMetaData();
+
+CREATE VIEW distances AS
+SELECT from_point.id AS from_id,
+    from_point.title AS from_label,
+    to_point.id AS to_id,
+    to_point.title AS to_label,
+    ST_Distance(
+        from_point.geom,
+        to_point.geom,
+        TRUE
+    ) AS distance
+FROM spatial_data AS from_point, spatial_data AS to_point
+WHERE from_point.id != to_point.id;

examples/make a geographic data application using sqlite extensions/sqlpage/sqlpage.json

@@ -0,0 +1,3 @@
+{
+  "sqlite_extensions": ["mod_spatialite"]
+}