Update 'pip install -e' command in documentation to add double quotes, so it also works under zsh and on macosx, not only on bash/sh shells

Author: vitaly-ps

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -e .[dev]  # Install package in editable mode with dev dependencies
+          pip install -e ".[dev]""  # Install package in editable mode with dev dependencies
 
       - name: Run tests
         run: |

CONTRIBUTING.md

@@ -40,7 +40,7 @@ Install the project dependencies in editable mode (with the '-e' argument).
 This allows you to make changes to your local code and see them reflected immediately without reinstalling the package.
 
 ```bash
-pip install -e .[dev]
+pip install -e ".[dev]"
 ```
 
 ### Run tests
@@ -68,7 +68,7 @@ The tool would automatically recognize that the file is present and will try to
 ### Running the Tool
 
 To run the tool from your development environment, you can use the command-line interface set up in the project.
-Since the package is installed in editable mode (e.g. via `pip install -e .[dev]`), you can run the tool directly from the source code without
+Since the package is installed in editable mode (e.g. via `pip install -e ".[dev]"`), you can run the tool directly from the source code without
 needing a separate installation step for testing changes.
 
 To execute the tool, use the following command: