Generator: Update SDK /services/postgresflex (#67)

* Generate postgresflex

* Update pyproject.toml

---------

Co-authored-by: Melvin <70433111+MelvinKl@users.noreply.github.com>

Author: stackit-pipeline

services/postgresflex/README.md

@@ -0,0 +1,23 @@
+# stackit.postgresflex
+This is the documentation for the STACKIT postgres service
+
+For more information, please visit [https://www.stackit.de/en/contact](https://www.stackit.de/en/contact)
+
+This package is part of the STACKIT Python SDK. For additional information, please visit the [GitHub repository](https://github.com/stackitcloud/stackit-sdk-python) of the SDK.
+
+
+## Installation & Usage
+### pip install
+
+```sh
+pip install stackit-postgresflex
+```
+
+Then import the package:
+```python
+import stackit.postgresflex
+```
+
+## Getting Started
+
+[Examples](https://github.com/stackitcloud/stackit-sdk-python/tree/main/examples) for the usage of the package can be found in the [GitHub repository](https://github.com/stackitcloud/stackit-sdk-python) of the SDK.

services/postgresflex/pyproject.toml

@@ -5,7 +5,7 @@ authors = [
     "STACKIT Postgres Service Support <support@stackit.cloud>",
 ]
 description = "STACKIT PostgreSQL Flex API"
-#readme = "README.md"
+readme = "README.md"
 #license = "NoLicense"
 classifiers = [
     "Programming Language :: Python :: 3",
@@ -102,4 +102,4 @@ per-file-ignores = """
     # E501: long descriptions/string values might lead to lines that are too long
     # B028: stacklevel for deprecation warning is irrelevant
   ./src/stackit/*/api/default_api.py: F841,B028,E501
-"""
+"""