translation-instructions.md: Add Solus-MTT info (#515)

* Run Prettier

* translation-instructions.md: Add Solus-MTT info

Taskfile.yml

@@ -1,4 +1,4 @@
-version: '3'
+version: "3"
 
 set: [pipefail]
 
@@ -29,4 +29,4 @@ tasks:
     cmds:
       - awk -i inplace '{print tolower($0)}' $TARGET
       - sort -o $TARGET $TARGET
-      - awk -i inplace '!seen[$0]++' $TARGET
+      - awk -i inplace '!seen[$0]++' $TARGET

docs/packaging/translation-instructions.md

@@ -5,8 +5,21 @@ summary: Instructions for translators
 
 # Translation instructions
 
-🚧 This page is a stub for now.
-
 Users will arrive here from the "Translation instructions" link on Transifex.
 
 Please join our [Matrix rooms](/docs/user/contributing/getting-involved.md#matrix-chat) if you have questions about our translation projects.
+
+## Project specific instructions
+
+### Solus Mate Transition Tool
+
+- Strings which include curly braces `{ }` should be translated leaving the curly braces, *and anything inside the braces*, untouched.
+- Examples:
+  - `{DE} Successfully installed, please reboot to continue.` translates to:
+  - `{DE} Instalado exitosamente, reinicie para continuar.`
+  - `Successfully Installed {}` translates to:
+  - `Instalado exitosamente {}`
+- Do not translate the following strings; leave them untouched:
+  - `Packagekit`
+  - `XDG_SESSION_DESKTOP`
+