Prepare project for public release

config.ini.example

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+# Copy to config.ini, fill in the required values, and keep it private:
+#   cp config.ini.example config.ini
+#   chmod 600 config.ini
+
+[wlc]
+host = 192.0.2.10
+port = 161
+snmp_user = wlcmon
+snmp_auth =
+snmp_priv =
+# Prefer sha256. Use sha only when required by an older controller.
+auth_protocol = sha256
+timeout = 5
+retries = 1
+
+[mail]
+smtp_host = smtp.example.com
+smtp_port = 587
+# One of: none, starttls, ssl
+smtp_security = starttls
+# Leave both blank for an unauthenticated trusted relay.
+smtp_user =
+smtp_password =
+from = wlc-monitor@example.com
+to = network-ops@example.com
+subject_prefix = [WLC]
+
+[monitor]
+# This path matches wlc-monitor.service. For a user-run checkout, change it to
+# a private writable path such as ./state.json.
+state_file = /var/lib/wlc-monitor/state.json
+fail_threshold = 2
+unsaved_minutes = 60
+interval = 300