Add script to generate pdf reports.

README.md

@@ -9,9 +9,9 @@ handle the same use-case. I have tried a couple of them, as well as the
 integrated CSV import of hledger, and ran into issues with all of them. That's
 why I wrote yet another CSV to ledger tool.
 
-There are two scripts, getofx, and toldg. The former uses the Python
+There are two main scripts, getofx, and toldg. The former uses the Python
 [ofxtools](https://ofxtools.readthedocs.io/en/latest/) library to download bank
-transactions via OFX and stores them into CSV files.  The latter takes CSV files
+transactions via OFX and stores them into CSV files. The latter takes CSV files
 and transforms them into ledger accounting files.
 
 The OFX script works well for my workflow, but I am not sure if it would be
@@ -31,6 +31,12 @@ my workflows are editor based, and the mapping file-based approach makes it easy
 to manipulate transactions. Also, the script relies on a single configuration
 file, which makes the configuration clearer.
 
+The directory `tools` contains additional scripts for personal use. Currently
+their main use-case is to generate a PDF report with figures. I use hledger to
+generate CSV data, plot figures with pandas, and then generate a report with
+pandoc. A shell script executes this process. This workflow fulfills my
+requirements, but is currently not useful for anybody else.
+
 ## Dependencies
 
 The scripts rely on a couple of newer Python features, such as data-classes,
@@ -84,4 +90,5 @@ getting warnings.
 - [x] Use OFX parser from ofxtools instead of parsing the XML
 - [x] Autoappend latest OFX data to CSV file
 - [x] Include example workspace with mock data to demo my workflow
+- [x] Write script to generate PDF reports