Rename package from rsge-sdk to rsge-python to match PyPI

Author: Kuduxaaa

README.md

@@ -12,7 +12,7 @@ Python SDK for the **Georgian Revenue Service** (სსიპ შემოსა
 ## Installation
 
 ```bash
-pip install rsge-sdk
+pip install rsge-python
 ```
 
 Or install from source:

docs/getting-started.md

@@ -8,7 +8,7 @@
 ## Installation
 
 ```bash
-pip install rsge-sdk
+pip install rsge-python
 ```
 
 Or install from source:

pyproject.toml

@@ -3,7 +3,7 @@ requires = ["setuptools>=68.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "rsge-sdk"
+name = "rsge-python"
 version = "1.0.0"
 description = "Python SDK for the Georgian Revenue Service (RS.ge) – WayBill & Customs Declarations API"
 readme = "README.md"