Add autofarm docs

docs/Plugins.rst

@@ -1862,6 +1862,31 @@ Examples:
 * ``autoclothing cloth dress``:
     Displays the currently set number of cloth dresses chosen per citizen.
 
+.. _autofarm:
+
+autofarm
+========
+
+Automatically handles crop selection in farm plots based on current plant
+stocks, and selects crops for planting if current stock is below a threshold.
+Selected crops are dispatched on all farmplots. (Note that this plugin replaces
+an older Ruby script of the same name.)
+
+Use the `enable` or `disable` commands to change whether this plugin is
+enabled.
+
+Usage:
+
+* ``autofarm runonce``:
+    Updates all farm plots once, without enabling the plugin
+* ``autofarm status``:
+    Prints status information, including any applied limits
+* ``autofarm default 30``:
+    Sets the default threshold
+* ``autofarm threshold 150 helmet_plump tail_pig``:
+    Sets thresholds of individual plants
+
+
 ================
 Map modification
 ================