Moved .env.example to examples/ dir

examples/.env.example

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+## CONFIGURATION
+##
+## If the defaults below are not suitable, copy this .env.example into a new .env file,
+## uncomment the respective enviroment variable, and set the value according to your needs.
+
+# Setting to `TRUE` or `1` will cause the program to expect the `txDate` field in the `file_to_import` to use
+# the format YYYY-MM-dd or YY-MM-dd (or YYYY/MM/dd or YY/MM/dd, depending on the date-separator option)
+# instead of the default US-style MM-dd-YYYY or MM-dd-YY (or MM/dd/YYYY or MM/dd/YY, depending on the
+# date separator option).
+# (bool; default is FALSE/0)
+#ISO_DATE=0
+
+# Choose "h", "s", or "p" for hyphen, slash, or period (i.e., "-", "/", or ".") to indicate the separator
+# character used in the `file_to_import` `txDate` column (i.e. 2017/12/31, 2017-12-31, or 2017.12.31).
+# (String; default is 'h')
+#DATE_SEPARATOR=h
+
+# Home currency (currency in which all resulting reports are denominated).
+# (String; default is 'USD')
+#HOME_CURRENCY=USD
+
+# Cutoff date through which like-kind exchange treatment should be applied.
+# Please use %y-%m-%d (or %Y-%m-%d) format for like-kind cutoff date entry.
+# (Optional; default is not set)
+#LK_CUTOFF_DATE=YYYY-mm-DD
+
+#1. LIFO according to the order the lot was created.
+#2. LIFO according to the basis date of the lot.
+#3. FIFO according to the order the lot was created.
+#4. FIFO according to the basis date of the lot.
+# (String: default is '1')
+#INV_COSTING_METHOD=1