Update installation instructions in Readme.md and add GitHub Actions workflow for publishing to PyPI

Author: Bomme

.github/workflows/publish.yml

@@ -0,0 +1,48 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v5
+    
+    - name: Install uv
+      uses: astral-sh/setup-uv@v7
+      with:
+        version: "latest"
+    
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.x"
+    
+    - name: Build package
+      run: uv build
+    
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+    
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    environment: pypi
+    permissions:
+      id-token: write  # Required for trusted publishing
+    
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+    
+    - name: Publish package to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1

Readme.md

@@ -29,18 +29,25 @@ for sound in results:
 ```
 
 ## Installation
-1) clone or download
 
-2) run:
+The easiest way to install is using pip:
+
 ```
-python setup.py install
+pip install freesound
 ```
 
-Alternatively you should also be able to install directly from GitHub with:
+Alternatively, you can install directly from GitHub:
+
 ```
 pip install git+https://github.com/MTG/freesound-python
 ```
 
+Or clone the repository and install manually:
+
+```
+python -m pip install .
+```
+
 ## Advanced usage
 
 ### Modifying the requests' session: