Added Contributing section and improved Development section in the RE…

…ADME

README.md

@@ -3,6 +3,7 @@
 [![Build Status](https://travis-ci.org/opengisch/qfieldsync.svg?branch=master)](https://travis-ci.org/opengisch/qfieldsync)
 
 # QFieldSync
+
 This plugin facilitates packaging and synchronizing QGIS projects for use with [QField](http://www.qfield.org).
 
 It analyses the QGIS project and suggests and performs actions needed to make the project working on QField.
@@ -11,32 +12,62 @@ More information can be found in the [QField documentation](https://docs.qfield.
 
 The plugin can be download on the [QGIS plugin repository](https://plugins.qgis.org/plugins/qfieldsync/).
 
+
+## Contribute
+
+QFieldSync is an open source project, licensed under the terms of the GPLv3 or later.
+This means that it is free to use and modify and will stay like that.
+
+We are very happy if this app helps you to get your job done or in whatever creative way you may use it.
+
+If you found it useful, we will be even happier if you could give something back.
+A couple of things you can do are:
+
+- Rate the plugin at [plugins.qgis.org](https://plugins.qgis.org/plugins/qfieldsync/) ★★★★★
+- Write about your experience (please let us know!).
+- [Help with the documentation](https://github.com/opengisch/QField-docs/).
+- Translate [the QFieldSync QGIS plugin](https://app.transifex.com/opengisch/qfieldsync/dashboard/), [the QField app](https://app.transifex.com/opengisch/qfield-for-qgis/dashboard/) or [the documentation](https://app.transifex.com/opengisch/qfield-documentation/dashboard/).
+- [Sponsor a feature](https://docs.qfield.org/get-started/sponsor/)
+- And just drop by to say thank you or have a beer with us next time you meet [OPENGIS.ch](https://opengis.ch) at a conference.
+- [Develop a new feature or fix a bug](#development).
+
+
 ## Development
 
-1) Checkout [qfieldsync](https://github.com/opengisch/qfieldsync/) locally:
+### Getting the source code
 
-```
+1) Checkout [`qfieldsync`](https://github.com/opengisch/qfieldsync/) locally:
+
+```shell
 git clone --recurse-submodules [email protected]:opengisch/qfieldsync.git
 ```
 
-2) Make a link of the QFieldSync checkout to qfieldsync directory in your current QGIS profile:
+2) Make a link of the QFieldSync checkout to `qfieldsync` directory in your current QGIS profile:
 
-```
+```shell
 ln -s ${PWD}/qfieldsync/qfieldsync ${HOME}/.local/share/QGIS/QGIS3/profiles/default/python/plugins
 ```
 
-3) Checkout [libqfieldsync](https://github.com/opengisch/libqfieldsync/) locally:
+3) Checkout [`libqfieldsync`](https://github.com/opengisch/libqfieldsync/) locally:
 
-```
+```shell
 git clone [email protected]:opengisch/libqfieldsync.git
 ```
 
-4) Install your local libqfieldsync as editable dependency (assuming you are in the same directory as step 3):
+4) Install your local `libqfieldsync` as editable dependency (assuming you are in the same directory as step 3):
 
-```
+```shell
 pip install -e libqfieldsync
 ```
 
-NOTE On more recent Linux distributions you might get an error `error: externally-managed-environment` and you have to pass additional `--break-system-packages`.
+> [!NOTE]
+> On more recent Linux distributions you might get an error `error: externally-managed-environment` and you have to pass additional `--break-system-packages`.
+> Despite the name, we promise this is not going to break system packages.
+
+### Opening a PR
+
+Make sure each new feature or bug fix are in a separate PR.
 
-Despite the name, we promise this is not going to break system packages.
+QFieldSync stores the respective `libqfieldsync` commit SHA in the bottom of [`requirements.txt`](https://github.com/opengisch/qfieldsync/blob/master/requirements.txt#L9-L10).
+Sometimes changes in QFieldSync require modifications in [`libqfieldsync`](https://github.com/opengisch/libqfieldsync/).
+In these cases please update the commit sha of `libqfieldsync` to point to the respective commit on `libqfieldsync`'s master branch.