added official/regenerate_thumbnails script

updated scripts manual overview and added official/apply_camera_style
and official/regenrate_thumbnails

Author: wpferguson

content/lua.scripts.manual/scripts/official/regenerate_thumbnails.md

@@ -0,0 +1,39 @@
+---
+title: regenerate_thumbnails
+id: regenerate_thumbnails
+weight: 95
+draft: false
+author: "people"
+---
+
+## Name
+
+regenerate_thumbnails.lua - regenerate mipmap cache for selected images
+
+## Description
+
+regenerate_thumbnails drops the cached thumbnail for each selected image
+and generates a new thumbnail.
+
+The script adds a button to the actions on selected images module that regenerates the
+thumbnail for the currently selected images.
+
+## Usage
+
+* enable the script in script_manager
+* assign a shortcut, if desired, to apply the script by hovering
+  over a skull and using the shortcut to regenerate the thumbnail
+
+## Additional Software Required
+
+None
+
+## Limitations
+
+The image must exist in order to generate the thumbnail
+
+## Author
+
+Bill Ferguson - [email protected]
+
+## Change Log

content/lua.scripts.manual/scripts/overview.md

@@ -18,6 +18,7 @@ These scripts are written primarily by the darktable developers and maintained b
 
 Name|Standalone|Op/Sys |Purpose
 ----|:--------:|:-----:|-------
+[apply_camera_style](official/apply_camera_style.md)|Yes|LMW|Apply camera styles to images
 [check_for_updates](official/check_for_updates.md)|Yes|LMW|Check for updates to darktable
 [copy_paste_metadata](official/copy_paste_metadata.md)|Yes|LMW|Copy and paste metadata, tags, ratings, and color labels between images
 [delete_long_tags](official/delete_long_tags.md)|Yes|LMW|Delete all tags longer than a specified length
@@ -27,6 +28,7 @@ Name|Standalone|Op/Sys |Purpose
 [image_path_in_ui](official/image_path_in_ui.md)|Yes|LMW|Plugin to display selected image path
 [import_filter_manager](official/import_filter_manager.md)|Yes|LMW|Manager for import filters
 [import_filters](official/import_filters.md)|No|LMW|Two import filters for use with import_filter_manager
+[regenerate_thumbnails](official/regenerate_thumbnails.md)|Yes|LMW|Regenerate missing lighttable thumbnails
 [save_selection](official/save_selection.md)|Yes|LMW|Provide save and restore from multiple selection buffers
 [selection_to_pdf](official/selection_to_pdf.md)|No|L|Generate a PDF file from the selected images