Added solution2 for sqlite problem

README.md

@@ -114,13 +114,22 @@ $ flask run
 	OperationalError: (sqlite3.OperationalError) no such table
 	```
 
-	**Solution:**
+	**Solution1:**
 	Move sqlite database file into app directory
 
 	```shell
 	$ mv app.db app/
 	```
 
+	**Solution2(Preferred):**
+	Since the problem is because of relative path, using absolute path will solve it.
+
+	For instance:
+
+	```python
+	SQLALCHEMY_DATABASE_URI='sqlite:////tmp/app.db'
+	```
+
 4. **FSADeprecationWarning** while accessing database using SQLAlchemy
 
 	```shell