update README with context manager

README.md

@@ -1,6 +1,6 @@
 # sew ![GitHub Workflow Status (with event)](https://github.com/icyveins7/sew/actions/workflows/run-unit-tests.yml/badge.svg) ![Github AutoPkg Workflow Status](https://github.com/icyveins7/sew/actions/workflows/auto-package.yml/badge.svg)
 
-Sqlite Extensions & Wrappers for Python.
+SQLite Extensions & Wrappers for Python.
 
 Tired of writing create/insert/select statements yourself? Or maybe you'd just like to access your tables with keys like a Pythonic dictionary? Then just subclass this.
 
@@ -64,6 +64,24 @@ d.executemany() # Same as d.cur.executemany
 d.commit() # Same as d.con.commit
 ```
 
+You also get a context manager for free:
+
+```python
+with sew.Database(":memory:") as db:
+    db.execute("create table tbl(col INTEGER))")
+
+# db connect is now closed i.e. .close() called on db.con
+# further statements to the cursor will result in sqlite3.ProgrammingError
+db.execute("select * from tbl") # ERROR
+
+# This is unlike the default sqlite3 connection which allows this
+with sq.connect(":memory:") as sqcon:
+    sqcur = sqcon.cursor()
+    sqcur.execute("create table tbl(col INTEGER))")
+
+sqcur.execute("select * from tbl") # This is allowed, sqcon is still valid!
+```
+
 But the main benefit is in shortened requirements for database changes. Docstrings are available for most common methods.
 
 As an example, instead of writing the whole statements, you can do the following: