Updates and add start of WFC doc

docs/_docs/modding/wfc.md

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+---
+layout: page
+title: Waiting For Caller (WFC)
+---
+## The Waiting For Caller (WFC) Module
+The `wfc.js` module provides a Waiting For Caller (WFC) type dashboard from a bygone era. ENiGMA½'s WFC can be accessed over secure connections for accounts with the proper ACS. See **Security** information.
+
+## Security
+
+## Theming
+The following MCI codes are available:
+* MCI 1 (`VM1`): Node status list with the following format items available:
+    * `{text}`: Username or `*Pre Auth*`.
+    * `{action}`: Current action/menu.
+    * `{timeOn}`: How long the node has been connected.
+* MCI 2 (`VM2`): Quick log with the following format keys available:
+    * `{timestamp}`: Log entry timestamp in `quickLogTimestampFormat` format.
+    * `{level}`: Log entry level from Bunyan.
+    * `{levelIndicator}`: `T` for TRACE, `D` for DEBUG, `I` for INFO, `W` for WARN, `E` for ERROR, or `F` for FATAL.
+    * `{nodeId}`: Node ID.
+    * `{sessionId}`: Session ID.
+    * `{message}`: Log message.
+* MCI 10...99: Custom entries with the following format keys available:
+    * `{nowDate}`: Current date in the `dateFormat` style, defaulting to `short`.
+    * `{nowTime}`: Current time in the `timeFormat` style, defaulting to `short`.
+    * `{now}`: Current date and/or time in `nowDateTimeFormat` format.
+    * `{processUptimeSeconds}`: Process (the BBS) uptime in seconds.
+    * `{totalCalls}`: Total calls to the system.
+    * `{totalPosts}`: Total posts to the system.