fix: docs for mpe_config

docs/tables/mpe_config.md

@@ -0,0 +1,25 @@
+---
+layout: article
+title: MPE_CONFIG
+description: The MPE_CONFIG table is used to apply global system options in DC
+og_title: MPE_CONFIG Table Documentation
+og_image: /img/mpe_config.png
+---
+
+# MPE_MPE_CONFIGREVIEW
+
+The MPE_CONFIG table enables global system options.  Further detail on each option can be found in the description of the option itself, or on the [options](/dcc-options) page.
+
+![submits](/img/mpe_config.png)
+
+The table is SCD2 controlled for ease of rollback and version management.
+
+## Columns
+
+ - 🔑 `TX_FROM num`: SCD2 open datetime 
+ - 🔑 `VAR_SCOPE char(10)`:  A short code for grouping sets of options
+ - 🔑 `VAR_NAME char(32)`: The name of the option
+ - `VAR_VALUE char(5000)`: The value of the option
+ - `VAR_ACTIVE num`: Whether the rule should be used (1) or ignored (0).  Setting rules to 0 is a convenient way to turn them off without deleting them.
+ - `VAR_DESC char(300)`: A short description of the option.
+ - `TX_TO num`: SCD2 close datetime