Docs: add basic versions of several pages

Author: pont-us

docs/index.md

@@ -20,4 +20,10 @@ links to further resources.
 2. [Installing xcengine](installing.md)
 3. [Making a Jupyter notebook xcengine-compatible](notebook.md)
 4. [Running `xcetool`](xcetool.md)
-5. [Further documentation and resources](resources.md)
+5. [Testing and running Application Packages](testing.md)
+6. [Further documentation and resources](resources.md)
+
+xcengine is developed as part of the [Open Earth Monitor
+Cyberinfrastructure](https://earthmonitor.org/) project, which has received
+funding from the European Union's Horizon Europe research and innovation
+programme under grant agreement No. 101059548.

docs/installing.md

@@ -0,0 +1,10 @@
+# Installing xcengine
+
+xcengine is developed on GitHub and distributed as a Conda package on the
+conda-forge channel.
+
+## Installing from conda-forge
+
+
+
+## Installing directly from the GitHub repository

docs/notebook.md

@@ -0,0 +1,14 @@
+# Making a Jupyter notebook xcengine-compatible
+
+xcengine is designed to require as little alteration as possible to a Python
+notebook, but some configuration may be necessary, in particular to define
+input parameters.
+
+## Configuring input parameters
+
+An Application Package can have, and usually does have, *input parameters*
+defined types and default values, which can be set by the caller when running
+the package. xcengine automatically generates these parameters from variables
+in the notebook. Any variable to be used as a parameter 
+
+## Configuring xcengine

docs/resources.md

@@ -0,0 +1,20 @@
+# Further documentation and resources
+
+xcengine has been presented at conferences and workshops. The presentation
+materials are available online and provide a useful complement to this
+documentation.
+
+OEMC Global Workshop 2024, Laxenburg:
+[recording](https://www.youtube.com/watch?v=e0P1KVyvoEc&list=PLXUoTpMa_9s3g9lD7_aP0XB12wluSPhRJ&index=28)
+
+ESA Living Planet Symposium 2025, Vienna:
+[slides](https://lps25.esa.int/lps25-presentations/presentations/1276/lurcock_update.pdf)
+
+OpenGeoHub EO-Council Summer School 2025, Wageningen:
+"Application packages in the xcube ecosystem".
+[Course page](https://xcube-dev.github.io/summerschool25/) with links to
+slides, documentation, and hands-on exercises.
+[Video](https://www.youtube.com/watch?v=b3BdOE3mJZU)
+
+ESA Big Data from Space 2025, Riga:
+[Programme entry](https://federicorondoni.github.io/bids25/brella-wrapper.html?date=2025-10-01&showSession=749314)

docs/testing.md

@@ -0,0 +1,5 @@
+# Testing and running application packages
+
+## Running with cwltool
+
+## Running with ZOO-Project and the DRU extensions