Add general installation instruction, add workflow to publish package on pypi.

Author: Tim-ats-d

.github/workflows/python-publish.yml

@@ -0,0 +1,31 @@
+# This workflow will upload a Python Package using Twine when a release is created
+# For more information see: https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries
+
+name: Upload Python Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload dist/*

README.md

@@ -34,20 +34,20 @@ This library is still under development. API can change.
 Install Visual-dialog using `pip` (The lib is not yet available on **pypi**):
 
 ```sh
-python3 -m pip install git+git://github.com/Tim-ats-d/Visual-dialog
+pip install git+git://github.com/Tim-ats-d/Visual-dialog
 ```
 or update lib to the latest version:
 
 ```sh
-python3 -m pip install git+git://github.com/Tim-ats-d/Visual-dialog --upgrade
+pip install git+git://github.com/Tim-ats-d/Visual-dialog --upgrade
 ```
 
 ### From source
 
 ```sh
 git clone https://github.com/Tim-ats-d/Visual-dialog.git
 cd Visual-dialog
-python3 -m pip install .
+pip install .
 ```
 
 ## Requirements