Update app's level

apps.json

@@ -1132,7 +1132,7 @@
     },
     "gamja": {
         "category": "communication",
-        "level": 6,
+        "level": 7,
         "state": "working",
         "subtags": [
             "chat"
@@ -1594,14 +1594,14 @@
     },
     "jeedom": {
         "category": "iot",
-        "level": 6,
+        "level": 7,
         "maintained": false,
         "state": "working",
         "url": "https://github.com/YunoHost-Apps/jeedom_ynh"
     },
     "jellyfin": {
         "category": "multimedia",
-        "level": 4,
+        "level": 7,
         "state": "working",
         "subtags": [
             "music",
@@ -2434,6 +2434,7 @@
     },
     "nomad": {
         "category": "dev",
+        "level": 7,
         "state": "working",
         "url": "https://github.com/YunoHost-Apps/nomad_ynh"
     },
@@ -3882,7 +3883,7 @@
     },
     "weblate": {
         "category": "dev",
-        "level": 0,
+        "level": 7,
         "state": "working",
         "url": "https://github.com/YunoHost-Apps/weblate_ynh"
     },
@@ -4029,7 +4030,7 @@
     },
     "yeswiki": {
         "category": "publishing",
-        "level": 6,
+        "level": 8,
         "state": "working",
         "subtags": [
             "websites",
@@ -4074,7 +4075,7 @@
     },
     "yunomonitor": {
         "category": "system_tools",
-        "level": 7,
+        "level": 8,
         "state": "working",
         "subtags": [
             "monitoring"