Update readme. Refactor toldg a little. Provide example files for testing by the user.

example/Makefile

@@ -0,0 +1,44 @@
+PY?=python3
+LEDGER=hledger
+TOLDG=$(PY) ../toldg.py
+GETOFX=$(PY) ../getofx.py
+
+TOLDG_CONFIG=configs/toldg.json
+GETOFX_CONFIG=configs/getofx.json
+LEDGER_FILES=$(wildcard processed/*.ldg)
+OUTPUTDIR=processed
+LEDGER_ALL=result.ldg
+
+all: toldg merge
+
+help:
+	@echo 'Makefile for Ledger automation                                            '
+	@echo '                                                                          '
+	@echo 'Usage:                                                                    '
+	@echo '   make getofx                         download ofx data and write to CSV '
+	@echo '   make toldg                          transform CSV files into LDG files '
+	@echo '   make merge                          merge all ldg files into one       '
+	@echo '   make bs                             show hledger balance               '
+	@echo '   make ui                             open hledger-ui in tree view       '
+	@echo '   make clean                          remove ledger files from output dir'
+	@echo '                                                                          '
+
+getofx:
+	@$(GETOFX) $(GETOFX_CONFIG)
+
+toldg:
+	@$(TOLDG) $(TOLDG_CONFIG)
+
+merge:
+	@cat $(LEDGER_FILES) > $(LEDGER_ALL)
+
+bs:
+	@echo ""
+	@$(LEDGER) bs -V --depth 2 -f $(LEDGER_ALL)
+
+ui:
+	hledger-ui -V --tree --depth 2 -f $(LEDGER_ALL)
+
+clean:
+	@[ ! -d $(OUTPUTDIR) ] || rm -rf $(OUTPUTDIR)/*
+