Update Ikar server and Android client

.env.server.example

@@ -0,0 +1,13 @@
+# Docker Compose bind mount path is configured in `.env` via `IKAR_DATA_PATH`.
+ASPNETCORE_ENVIRONMENT=Production
+ConnectionStrings__IkarDb=Data Source=Data/ikar.db
+Jwt__Issuer=Ikar.Server
+Jwt__Audience=Ikar.Client
+Jwt__SigningKey=Ikar-Replace-This-Development-Key-With-A-Long-Random-Secret-CHANGE_ME_USE_SECRET_STORE_VALUE_32_CHARS_MINIMUM
+Jwt__AccessTokenLifetimeMinutes=15
+Jwt__RefreshTokenLifetimeDays=30
+Push__FirebaseProjectId=
+Push__ServiceAccountJsonPath=
+Push__ServiceAccountJson=
+Admin__Username=
+Admin__Password=