[i18n] Basic Implementation (#948)

* Initial commit

* Beginning of working i18n

* Add some translation files

* Add more strings to translate

* Update and add some more translations

* Update spanish translation

* Update french translation

* Add alias translation templates

* Add bank translations

* Add economy translations

* Add general translations

* Add image translations

* Add core translations

core/locales/regen_messages.py

@@ -0,0 +1,17 @@
+import subprocess
+
+TO_TRANSLATE = [
+    '../cog_manager.py',
+    '../core_commands.py',
+    '../dev_commands.py'
+]
+
+
+def regen_messages():
+    subprocess.run(
+        ['pygettext', '-n'] + TO_TRANSLATE
+    )
+
+
+if __name__ == "__main__":
+    regen_messages()