Documentation rework.

README.md

@@ -0,0 +1,45 @@
+# The Galene videoconferencing system
+
+Galene is a fully-features videoconferencing system that is easy to deploy
+and requires very moderate server resources.  It is described at
+<https://galene.org>.
+
+## Quick start
+
+```sh
+git clone https://github.com/jech/galene
+cd galene
+CGO_ENABLED=0 go build -ldflags='-s -w'
+mkdir groups
+echo '{"users": {"vimes": {"password":"sybil", "permissions":"op"}}}' > groups/night-watch.json
+./galene &
+```
+
+Point your browser at <https://localhost:8443/group/night-watch/>, ignore
+the unknown certificate warning, and log in with username *vimes* and
+password *sybil*.
+
+For full installation instructions, please see the file [galene-install.md][1]
+in this directory.
+
+## Documentation
+
+  * [galene-install.md][1]: full installation instructions
+  * [galene.md][2]: usage and administration;
+  * [galene-client.md][3]: writing clients;
+  * [galene-protocol.md][4]: the client protocol;
+  * [galene-api.md][4]: Galene's administrative API.
+
+## Further information
+
+Galène's web page is at <https://galene.org>.
+
+Answers to common questions and issues are at <https://galene.org/faq.html>.
+
+
+-- Juliusz Chroboczek <https://www.irif.fr/~jch/>
+
+[1]: <galene-install.md>
+[2]: <galene.md>
+[3]: <galene-client.md>
+[4]: <galene-protocol.md>