Add French translations (#20)

* Add French translation file

* Add french translation for config flow

* Fix translation for sensor states

And add french translation.

* Add .cookiecutter.json

To allow usage of retrocookie.

{{cookiecutter.project_name}}/.cookiecutter.json

@@ -0,0 +1 @@
+{{ cookiecutter | jsonify }}

{{cookiecutter.project_name}}/custom_components/{{cookiecutter.domain_name}}/sensor.py

@@ -20,7 +20,8 @@ def name(self):
     @property
     def state(self):
         """Return the state of the sensor."""
-        return self.coordinator.data.get("static")
+        # slugify the state to allow translation
+        return slugify(self.coordinator.data.get("static"))
 
     @property
     def icon(self):

{{cookiecutter.project_name}}/custom_components/{{cookiecutter.domain_name}}/translations/fr.json

@@ -0,0 +1,32 @@
+{
+    "title": "{{cookiecutter.friendly_name}}",
+    "config": {
+        "step": {
+            "user": {
+                "title": "{{cookiecutter.friendly_name}}",
+                "description": "Si vous avez besoin d'aide pour la configuration, regardez ici: https://github.com/oncleben31/awesome-custom-component",
+                "data": {
+                    "username": "Identifiant",
+                    "password": "Mot de Passe"
+                }
+            }
+        },
+        "error": {
+            "auth": "Identifiant ou mot de passe erroné."
+        },
+        "abort": {
+            "single_instance_allowed": "Une seule configuration de cette intégration est permise."
+        }
+    },
+    "options": {
+        "step": {
+            "user": {
+                "data": {
+                    "binary_sensor": "Capteur binaire activé",
+                    "sensor": "Capteur activé",
+                    "switch": "Interrupteur activé"
+                }
+            }
+        }
+    }
+}

{{cookiecutter.project_name}}/custom_components/{{cookiecutter.domain_name}}/translations/sensor.en.json

@@ -0,0 +1,7 @@
+{
+    "state": {
+        "_": {
+            "some_sample_static_text": "Some sample static text."
+        }
+    }
+}

{{cookiecutter.project_name}}/custom_components/{{cookiecutter.domain_name}}/translations/sensor.fr.json

@@ -0,0 +1,7 @@
+{
+    "state": {
+        "_": {
+            "some_sample_static_text": "Exemple de texte statique."
+        }
+    }
+}

{{cookiecutter.project_name}}/custom_components/{{cookiecutter.domain_name}}/translations/sensor.nb.json

@@ -1,5 +1,7 @@
 {
     "state": {
-        "Some sample static text.": "Eksempel tekst."
+        "_": {
+            "some_sample_static_text": "Eksempel tekst."
+        }
     }
 }