Add translation support

- Created `locale/template.txt`
- Fixed some typos
- Replace some `print("[pipeworks]"..` with `pipeworks.logger()`
- Removed "You hacker, you" from descriptions

mod.conf

@@ -1 +1,4 @@
 name = pipeworks
+description = This mod uses mesh nodes and nodeboxes to supply a complete set of 3D pipes and tubes, along with devices that work with them.
+depends = default, basic_materials, screwdriver
+optional_depends = mesecons, mesecons_mvps, digilines, signs_lib