Fix some broken commands and URLs in the docs

Author: hussein-awala

mkdocs/docs/how-to-release.md

@@ -163,4 +163,4 @@ Thanks to everyone for contributing!
 
 ## Release the docs
 
-A committer triggers the [`Python Docs` Github Actions](https://github.com/apache/iceberg/actions/workflows/python-ci-docs.yml) through the UI by selecting the branch that just has been released. This will publish the new docs.
+A committer triggers the [`Python Docs` Github Actions](https://github.com/apache/iceberg-python/actions/workflows/python-ci-docs.yml) through the UI by selecting the branch that just has been released. This will publish the new docs.

mkdocs/docs/index.md

@@ -38,17 +38,17 @@ You can install the latest release version from pypi:
 pip install "pyiceberg[s3fs,hive]"
 ```
 
-Install it directly for Github (not recommended), but sometimes handy:
+Install it directly for GitHub (not recommended), but sometimes handy:
 
 ```
-pip install "git+https://github.com/apache/iceberg.git#subdirectory=python&egg=pyiceberg[s3fs]"
+pip install "git+https://github.com/apache/iceberg-python.git#egg=pyiceberg[s3fs]"
 ```
 
 Or clone the repository for local development:
 
 ```sh
-git clone https://github.com/apache/iceberg.git
-cd iceberg/python
+git clone https://github.com/apache/iceberg-python.git
+cd iceberg-python
 pip3 install -e ".[s3fs,hive]"
 ```
 

pyproject.toml

@@ -19,7 +19,7 @@ name = "pyiceberg"
 version = "0.5.1"
 readme = "README.md"
 homepage = "https://py.iceberg.apache.org/"
-repository = "https://github.com/apache/iceberg/"
+repository = "https://github.com/apache/iceberg-python"
 description = "Apache Iceberg is an open table format for huge analytic datasets"
 authors = ["Apache Software Foundation <dev@iceberg.apache.org>"]
 license = "Apache License 2.0"