Add demonstration files

.gitignore

@@ -1,7 +1,8 @@
 __pycache__
 *.egg-info
 tmp/
-db/
+db/*
+!db/demo
 venv
 .env
 .vscode

db/demo/groups/groups.yml

@@ -0,0 +1,171 @@
+groups:
+  '1312':
+    id: '1312'
+    members:
+    - gilki@tenhe.ls
+    - mohu@zab.tj
+    - nazhap@opolarti.ly
+    name: Permuflard
+  john:
+    id: john
+    members:
+    - voige@sida.li
+    name: John
+  pre-du-fond:
+    id: pre-du-fond
+    members:
+    - sakzace@cetbageg.ne
+    - es@worru.cx
+    name: Pré du fond
+  chez-louise:
+    id: chez-louise
+    members:
+    - suznala@iflavra.ch
+    - sihvo@vo.gn
+    name: Chez Louise
+  les-filles-du-bout:
+    id: les-filles-du-bout
+    members:
+    - tecuhmiz@ilmifhaf.edu
+    - pi@hozep.sj
+    name: Les filles du bout
+  chaton:
+    id: chaton
+    members:
+    - puet@helzet.ax
+    - bi@noto.fm
+    name: Châton
+  chez-pascale:
+    id: chez-pascale
+    members:
+    - gawumnud@izkep.bb
+    name: Chez Pascale
+  laxe:
+    id: laxe
+    members:
+    - couv@rujli.lr
+    - casceci@ziceda.mv
+    name: Laxe
+  mouin:
+    id: mouin
+    members:
+    - rop@uznofkoz.za
+    - ga@ma.gb
+    - fuatogi@bip.sb
+    - te@itiorapa.gn
+    name: Mouin
+  le-chauffage:
+    id: le-chauffage
+    members:
+    - jaigo@hevef.gl
+    - du@nozcoze.lt
+    - em@ca.fk
+    - ifegomcic@pi.lt
+    - zow@hanheh.tn
+    name: Le chauffage
+  la-lointaine:
+    id: la-lointaine
+    members:
+    - uzvivki@awucjer.nf
+    - tevesil@hokej.bn
+    - numbu@cumpemnu.tc
+    - viw@iwfifbe.ua
+    - enji@ladbaped.lt
+    name: La lointaine
+  la-bas-au-loin:
+    id: la-bas-au-loin
+    members:
+    - uwuvenfo@dunam.na
+    - va@nowuk.th
+    - ohu@vukuk.vu
+    - ewmu@migo.hm
+    name: La Bas au loin
+  la-lumiere:
+    id: la-lumiere
+    members:
+    - wogne@cehhi.af
+    - aco@bawlebku.ad
+    - uveruopo@gic.org
+    - zimpok@gogav.sy
+    name: La lumière
+  la-reclue:
+    id: la-reclue
+    members:
+    - atzahe@metuuja.lc
+    name: La Reclue
+  la-ville-z:
+    id: la-ville-z
+    members:
+    - voaktid@dupurdu.er
+    - pej@je.pk
+    - fotopesu@sumfu.sm
+    name: la Ville Z
+  la-moins:
+    id: la-moins
+    members:
+    - cuud@cof.sc
+    - gavciawu@huzip.ga
+    name: La Moins
+  le-foin:
+    id: le-foin
+    members:
+    - delab@guza.er
+    - ji@kaceeso.vg
+    - ofo@rajesco.ar
+    name: Le Foin
+  le-grand-champ:
+    id: le-grand-champ
+    members:
+    - basuho@ambum.af
+    - zewru@ebzum.sn
+    - higap@awata.dj
+    - iltumas@lu.de
+    - zeczawub@jeh.fr
+    - feacahaw@pirirgu.uk
+    - fo@dib.na
+    - rocvibuv@nosmijij.tz
+    - it@za.rs
+    name: Le grand champ
+  ttre:
+    id: ttre
+    members:
+    - hutfiro@aje.gov
+    - ce@bowzodda.in
+    name: TTRE
+  passage-creuse:
+    id: passage-creuse
+    members:
+    - edhezot@ga.kh
+    - adbep@okilejke.ly
+    - puldumak@cacanizu.bn
+    - vevigdeb@civut.bn
+    - nif@amudoki.mn
+    - natja@le.ru
+    name: Passage creusé
+  pataudes:
+    id: pataudes
+    members:
+    - husah@golo.sv
+    - zo@cut.eg
+    - nannijnot@nasabatig.su
+    - ve@acvu.dj
+    - mendir@niznunem.cg
+    - budavwa@ciwun.mt
+    - jisafu@huvogu.jm
+    name: Pataudes
+  rs:
+    id: rs
+    members:
+    - bok@rebu.de
+    - beko@noza.bz
+    name: R&S
+  peug:
+    id: peug
+    members:
+    - deaze@luzej.qa
+    - kudal@lellok.bv
+    - soikapon@toujo.ai
+    - zog@ha.gg
+    - zahpepez@toteppe.hu
+    - fiodvif@fafij.cm
+    name: Peug'