Update CONTRIBUTING.md (#859)

CONTRIBUTING.md

@@ -3,49 +3,55 @@
 ## Accessing the project
 First clone the project:
 
-    ```bash
-    git clone https://github.com/IBM/unitxt.git
-    ```
+```bash
+git clone https://github.com/IBM/unitxt.git
+```
+
 Then, navigate to the project directory:
 
-    ```bash
-    cd unitxt
-    ```
+```bash
+cd unitxt
+```
 
 ## Setting up the project
 First, create a virtual environment:
 
-    ```bash
-    python -m venv unitxt-venv
-    ```
+```bash
+python -m venv unitxt-venv
+```
+
 Then, activate the virtual environment:
 
-    ```bash
-    source unitxt-venv/bin/activate
-    ```
+```bash
+source unitxt-venv/bin/activate
+```
+
 Then, install the project:
 
-    ```bash
-    pip install -e ".[dev]"
-    ```
+```bash
+pip install -e ".[dev]"
+```
+
 ## Running pre-commit before committing
 
 First, install the pre-commit hooks:
 
-    ```bash
-    pre-commit install
-    ```
+```bash
+pre-commit install
+```
 
 To run pre-commit before committing:
 
-    ```bash
-    pre-commit run --all-files
-    ```
+```bash
+pre-commit run --all-files
+```
+
 Or simply run:
 
-    ```bash
-    make pre-commit
-    ```
+```bash
+make pre-commit
+```
+
 This will run the pre-commit hooks on all files.
 
 The pre-commit hooks will:
@@ -60,37 +66,27 @@ The pre-commit hooks will:
 
 First, install the project with the test dependencies:
 
-    ```bash
-    pip install -e ".[tests]"
-    ```
+```bash
+pip install -e ".[tests]"
+```
 To run a specific test:
 
-    ```bash
-    python -m unittest tests.test_<module>
-    ```
+```bash
+python -m unittest tests.test_<module>
+```
 
 To run all the tests:
 
-    ```bash
-    python -m unittest
-    ```
+```bash
+python -m unittest
+```
 Bef
 
 # Repo principles:
 
 ## Git
 
-### Pull
-Always pull --rebase before pushing:
 
-    ```bash
-    git pull --rebase
-    ```
-If you have local changes you want to stash:
-
-    ```bash
-    git pull --rebase --autostash
-    ```
 ### Merge your PR to main
 Use squash and merge to merge your PR to main.
 
@@ -99,17 +95,18 @@ Always commit with a [good commit message](https://cbea.ms/git-commit/) and sign
 
 Example:
 
-    ```bash
-    git commit -s
-    ```
+```bash
+git commit -s
+```
+
 ### Push
 Push into a new branch and open a PR.
 
 Example:
 
-        ```bash
-        git push origin main:<my-new-branch-name>
-        ```
+```bash
+git push origin main:<my-new-branch-name>
+```
 
 
 ## Structure