feat(create): create and deletion feature

.env.example

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+DB_HOST=ip-address
+DB_PORT=port
+DB_NAME=name
+DB_USER=user
+DB_PASSWORD=password
+
+DATABASE_URL="postgresql+psycopg2://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}"

.gitignore

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+.env
+.venv/
+__pycache__

helloword.py

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+print("helloWord")

test.py

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+from dotenv import load_dotenv
+import os
+from sqlalchemy_utils import database_exists, create_database, drop_database
+from sqlalchemy import (
+    create_engine,
+    select,
+    Table,
+    Column,
+    MetaData,
+    Integer,
+    Identity,
+    String,
+)
+
+load_dotenv()
+DATABASE_URL = os.getenv("DATABASE_URL")
+
+engine = create_engine(
+    DATABASE_URL,
+    # isolation_level="AUTOCOMMIT",
+)
+
+if not database_exists(engine.url):
+    create_database(engine.url)
+else:
+    drop_database(engine.url)
+    create_database(engine.url)
+
+print(database_exists(engine.url))
+
+metadata = MetaData()
+
+test = Table(
+    "test",
+    metadata,
+    Column("id", Integer, Identity(start=1, cycle=True), primary_key=True),
+    Column("testString", String),
+)
+metadata.create_all(engine)
+
+with engine.connect() as conn:
+    # conn.execution_options(isolation_level="AUTOCOMMIT")
+    trans = conn.begin()
+
+    insert = test.insert().values(testString="ca")
+    conn.execute(insert)
+    rows = conn.execute(select(test))
+    trans.commit()
+    for row in rows:
+        print(row)