Add example of dotenv file to use for configuration, issue #71

.env

@@ -0,0 +1,26 @@
+# In all environments, the following files are loaded if they exist,
+# the latter taking precedence over the former:
+#
+#  * .env                contains default values for the environment variables needed by the app
+#  * .env.local          uncommitted file with local overrides
+#  * .env.$APP_ENV       committed environment-specific defaults
+#  * .env.$APP_ENV.local uncommitted environment-specific overrides
+#
+# Real environment variables win over .env files.
+#
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE NOR IN ANY OTHER COMMITTED FILES.
+
+# General for any bot
+DIR_INCOMING="work/incoming"
+DIR_DONE="work/done"
+
+# Bot irc specifics
+IRC_SERVER="127.0.0.1"
+IRC_PORT=6667
+IRC_CHANNEL="marvin"
+IRC_NICK="marvin"
+IRC_REAL_NAME="Marvin The All Mighty"
+IRC_IDENT=
+
+# Bot discord specifics
+DISCORD_TOKEN=