✨ Add source examples for docs

docs_src/tutorial/insert/tutorial001.py

@@ -0,0 +1,45 @@
+from typing import Optional
+
+from sqlmodel import Field, Session, SQLModel, create_engine
+
+
+class Hero(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    name: str
+    secret_name: str
+    age: Optional[int] = None
+
+
+sqlite_file_name = "database.db"
+sqlite_url = f"sqlite:///{sqlite_file_name}"
+
+engine = create_engine(sqlite_url, echo=True)
+
+
+def create_db_and_tables():
+    SQLModel.metadata.create_all(engine)
+
+
+def create_heroes():
+    hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson")
+    hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador")
+    hero_3 = Hero(name="Rusty-Man", secret_name="Tommy Sharp", age=48)
+
+    session = Session(engine)
+
+    session.add(hero_1)
+    session.add(hero_2)
+    session.add(hero_3)
+
+    session.commit()
+
+    session.close()
+
+
+def main():
+    create_db_and_tables()
+    create_heroes()
+
+
+if __name__ == "__main__":
+    main()