Initial implementation (#1)

* Initial skeleton for doing off-one rendering

* Raw working example for TOML

* Make root key configurable

* Change to arg grouping

* More acceptable structopt settings

* Add JSON into the mix

* Update .gitignore

* Add Codefresh yml and update README

* Fix up Codefresh

* Remove trailing periods in structopt parts

* Opt to use clux/muslrust instead

* Fix typo

.gitignore

@@ -0,0 +1,5 @@
+/target
+**/*.rs.bk
+.tera.*
+*.txt
+*.tmpl