Py-qgis-wps

* Merge pull request 38 from ptitjano/xml-element-warning
* Add advertised WCS/WFS urls in output Qgis project
- Fix https://github.com/3liz/py-qgis-wps/issues/28
* Fix Sample config (https://github.com/3liz/py-qgis-wps/issues/32)
* Fix Qgis 3.30 supports
* Merge pull request 37 from ptitjano/wip/jfelder/complexinput-supportedformats

* Use quote format for layers parameter name in output urls
- Fix urlencoded parameters with space:
i.e: `layers=foo%20bar` instead of `layers=foo+bar` that
causes problem with Qgis server.

* PEP8 Code style
* Fix schemas in ogc api /processes description.
* Fix: load layer default styles with `loadDefaultStyle`

* Fix invalid decoding of complex data as base64
- Fix https://github.com/3liz/py-qgis-wps/issues/31
* Fix mandatory SERVICE parameters for POST WPS requests
* Deprecate `host_proxy` in favor of `proxy_url` option
* Define explicit `HTTP\_PROXY` option
- Handling of proxyfied urls may be disabled
* Check access control (realm) for direct resource download
* Support overriding service url for OWS requests
- Follow Qgis server convention for passing service url
* Fix rel link to XML results from job description
- Links to WPS GetResults request
- `jobs/<id>/results` now return 404 for OWS/WPS results
- fix https://github.com/3liz/py-qgis-wps/issues/30

* Fix packaging of html elements
- Was preventing alternate html link to work
(fix https://github.com/3liz/py-qgis-wps/issues/29)

* Fix errors when handlings 'band' parameters
- Was preventing publishing `gdal` internal provider
* Replace calls to asyncio.get\_event\_loop()