Deployment.md

+Before each delivering of a new version, we increase the version in `/PreCourlis/metadata.txt` using standard semantic versionning.
+
+Example:
+
+```
+version=2.1-alpha10
+```
+
 ## Packaging
 
 ```bash
@@ -15,3 +23,37 @@ make deploy
 This will update the Zip archive (package) and extract files in your home QGIS Python plugins folder.
 
 With this you can test the packaged Zip archive contains all required files.
+
+## Publish the package on Camptocamp development plugins repository
+
+This is used during the development phase to share development versions of the Plugin.
+
+This operation require right to write on qgis.camptocamp.net
+
+```bash
+make -f c2c.mk upload
+```
+
+This will upload files:
+
+- https://qgis.camptocamp.net/plugins/edf/plugins.xml
+- https://qgis.camptocamp.net/plugins/edf/PreCourlis.zip
+
+## Test the plugin with QGIS on Windows 
+
+As we use Linux for development, we are used to test the plugin using last LTR version of QGIS on Windows before delivering a new version in QGIS official plugins repository.
+
+In QGIS plugins manager, in settings, add new plugins repository: https://qgis.camptocamp.net/plugins/edf/plugins.xml
+
+Then install the new version and test everything works as expected, including functionalities which depend on external Python packages:
+
+- Profiles dialog witch use matplotlib
+- Interpolation which use TatooineMesher
+
+## Publish the package on QGIS official plugins repository
+
+- Authenticate on QGIS plugins: https://plugins.qgis.org/accounts/login/
+- Go to PreCourlis manage page: https://plugins.qgis.org/plugins/PreCourlis/#plugin-manage
+- Click on add version and upload the file: /dist/PreCourlis.zip
+
+After saving the new version, it will require an approbation from the QGIS plugins adminstrators before the new version becomes available for users.