Set up crowdin translation service

language/source/en.json

@@ -0,0 +1,62 @@
+{
+  "semantics": [
+    {
+      "label": "Cards",
+      "entity": "card",
+      "field": {
+        "label": "Card",
+        "fields": [
+          {
+            "label": "Image"
+          },
+          {
+            "label": "Matching Image",
+            "description": "An optional image to match against instead of using two cards with the same image."
+          },
+          {
+            "label": "Description",
+            "description": "An optional short text that will pop up once the two matching cards are found."
+          }
+        ]
+      }
+    },
+    {
+      "label": "Behavioural settings",
+      "description": "These options will let you control how the game behaves.",
+      "fields": [
+        {
+          "label": "Position the cards in a square",
+          "description": "Will try to match the number of columns and rows when laying out the cards. Afterward, the cards will be scaled to fit the container."
+        },
+        {
+          "label": "Number of cards to use",
+          "description": "Setting this to a number greater than 2 will make the game pick random cards from the list of cards."
+        },
+        {
+          "label": "Add button for retrying when the game is over"
+        }
+      ]
+    },
+    {
+      "label": "Localization",
+      "fields": [
+        {
+          "label": "Card turns text",
+          "default": "Card turns"
+        },
+        {
+          "label": "Time spent text",
+          "default": "Time spent"
+        },
+        {
+          "label": "Feedback text",
+          "default": "Good work!"
+        },
+        {
+          "label": "Try again button text",
+          "default": "Try again?"
+        }
+      ]
+    }
+  ]
+}