[chore] Add translations to submodule (#5506)

Apparently Weblate needs the translations in the repo before it can be set up.

References <https://github.com/koreader/koreader/issues/3754>.

Also see <https://github.com/koreader/koreader/issues/2040#issuecomment-485154051>.

.gitignore

@@ -31,9 +31,6 @@ luacov.stats.out
 trace-out.txt
 koreader-*
 
-l10n/*
-!l10n/Makefile
-!l10n/README.md
 i18n
 
 /.cproject

.gitmodules

@@ -15,3 +15,6 @@
 	path = resources/fonts
 	url = https://github.com/koreader/koreader-fonts.git
 	shallow = true
+[submodule "l10n"]
+	path = l10n
+	url = https://github.com/koreader/koreader-translations.git

l10n

@@ -0,0 +1 @@
+Subproject commit 1afc501b1191985e3f1203dab14cbf4d0815f691

l10n/.tx/config

@@ -1,9 +0,0 @@
-[main]
-host = https://www.transifex.com
-
-[koreader.koreader]
-file_filter = <lang>/koreader.po
-source_file = templates/koreader.pot
-source_lang = en
-type = PO
-

l10n/Makefile

@@ -1,15 +0,0 @@
-all: bootstrap push pull
-
-bootstrap:
-	tx set --auto-local -r koreader.koreader "<lang>/koreader.po" \
-		--source-language=en \
-		--source-file "templates/koreader.pot" --execute
-
-pull:
-	tx pull -a -f
-
-push:
-	tx push -sl en
-
-.PHONY: all clean
-

l10n/README.md

@@ -1,8 +0,0 @@
-# How to sync this folder with transifex
-
-1. Install the transifex client. For example, on Debian or Ubuntu: `sudo apt install transifex-client`.
-
-2. Configure the client:
-   https://docs.transifex.com/client/client-configuration
-
-3. Pull the changes from transifex: `make pull`