Update README.rst

Author: Jason2866

README.rst

@@ -1,19 +1,4 @@
-PlatformIO Core Installer
+pioarduino Core Installer
 =========================
 
-
-.. image:: https://github.com/platformio/platformio-core-installer/workflows/CI/badge.svg
-    :target: https://docs.platformio.org/en/latest/core/installation.html
-    :alt:  CI Build
-.. image:: https://img.shields.io/badge/license-Apache%202.0-blue.svg
-    :target: https://pypi.python.org/pypi/platformio/
-    :alt:  License
-
-
-A standalone installer for `PlatformIO Core <https://docs.platformio.org/page/core/index.html>`_.
-
-Usage
------
-
-* `Installation Guide <https://docs.platformio.org/page/core/installation.html>`_
-* `Integration with custom applications (extensions, plugins) <https://docs.platformio.org/page/core/installation.htmll#integration-with-custom-applications-extensions-plugins>`_.
+A standalone installer for `pioarduino Core`