readme update

README.md

@@ -11,21 +11,45 @@ provided .puml file.
 
 - ffmpeg, https://ffmpeg.org/download.html
 - graphviz, https://graphviz.org/download
-- (Windows only) Microsoft Visual C++ 14.0 or newer
+- (Windows only) Microsoft Visual C++ 14.0 or newer and Windows
+  SDK (https://visualstudio.microsoft.com/visual-cpp-build-tools/ under Desktop development with C++)
+
+All requirements for Linux can be installed using:
+
+```bash
+sudo apt -y install python3-venv python3-dev pkg-config build-essential libpango1.0-dev graphviz libgraphviz-dev ffmpeg
+```
+
+If there are any problems you can also refer to Manim install
+guide (https://docs.manim.community/en/stable/installation.html)
 
 ## Installation
 
 Before installation, make sure ffmpeg and graphviz are included in PATH.
+All commands should be run in package root (where pyproject.toml is).
 
-Run in package root (where pyproject.toml is):
+Virtual environment in Linux:
 
+```bash
+python3 -m venv pyplaml_venv
+source pyplaml_venv/bin/activate
+```
+
+Virtual environment in Windows:
+
+```commandline
+python3 -m venv pyplaml_venv
+.\pyplaml_venv\Scripts\activate
+```
+
+Install required Python packages:
 ```
 pip install .
 ```
 
 ### Fix for Windows Graphviz "Failed building wheel" error
 
-```
+```bash
 python -m pip install --use-pep517 `
               --config-settings="--global-option=build_ext" `
               --config-settings="--global-option=-IC:\Program Files\Graphviz\include" `
@@ -43,8 +67,6 @@ manim examples/scenes/animals.py -pql
 
 ## Example
 
-<p align="center">
-  <img src="https://gitlab.vsb.cz/tomas.orvisky.st/pyplaml/-/blob/main/examples/gif/animals.gif">
-</p>
+![](https://gitlab.vsb.cz/tomas.orvisky.st/pyplaml/-/blob/main/examples/gif/animals.gif)
 
 Other examples available at https://gitlab.vsb.cz/tomas.orvisky.st/pyplaml/-/tree/main/examples/gif
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