Update app's level

apps.json

@@ -1131,7 +1131,7 @@
     "ihatemoney": {
         "branch": "master",
         "category": "productivity_and_management",
-        "level": 1,
+        "level": 0,
         "revision": "HEAD",
         "state": "working",
         "subtags": [
@@ -1954,7 +1954,7 @@
     "peertube": {
         "branch": "master",
         "category": "social_media",
-        "level": 7,
+        "level": 2,
         "revision": "HEAD",
         "state": "working",
         "subtags": [
@@ -2287,7 +2287,7 @@
         "branch": "master",
         "category": "communication",
         "high_quality": true,
-        "level": 7,
+        "level": 1,
         "maintained": "request_adoption",
         "revision": "HEAD",
         "state": "working",
@@ -2772,7 +2772,7 @@
     "ulogger": {
         "branch": "master",
         "category": "small_utilities",
-        "level": 7,
+        "level": 3,
         "revision": "HEAD",
         "state": "working",
         "url": "https://github.com/YunoHost-Apps/ulogger_ynh"