update(docs): small fixes on documentation

docs/development/environment.md

@@ -2,33 +2,15 @@
 
 Sur Ubuntu :
 
-```bash
+```sh
 # create virtual environment linking to system packages (for pyqgis)
-python3.8 -m venv .venv --system-site-packages
+python3 -m venv .venv --system-site-packages
 source .venv/bin/activate
 
 # bump dependencies inside venv
 python -m pip install -U pip setuptools wheel
 python -m pip install -U -r requirements/development.txt
 
-# install project as editable
-python -m pip install -e .
-```
-
-## Gestion des traductions
-
-```bash
-sudo apt install qttools5-dev-tools
-```
-
-Mise à jour des textes à traduire :
-
-```bash
-pylupdate5 -noobsolete -verbose qtribu/resources/i18n/plugin_translation.pro
-```
-
-Une fois les traductions effectuées (dans Qlinguist par exemple), les compiler :
-
-```bash
-lrelease qtribu/resources/i18n/*.ts
+# install git hooks (pre-commit)
+pre-commit install
 ```

docs/development/packaging.md

@@ -5,7 +5,13 @@
 This plugin is using the [qgis-plugin-ci](https://github.com/opengisch/qgis-plugin-ci/) tool to perform packaging operations.  
 The package command is performing a `git archive` run based on changelog.
 
-```bash
+Install additional dependencies:
+
+```sh
+python -m pip install -U -r requirements/packaging.txt
+```
+
+```sh
 # package a specific version
 qgis-plugin-ci package 1.3.1
 # package latest version