Update app's level

apps.json

@@ -141,7 +141,7 @@
     "armadietto": {
         "branch": "master",
         "category": "small_utilities",
-        "level": 1,
+        "level": 0,
         "revision": "HEAD",
         "state": "working",
         "url": "https://github.com/bencharp/armadietto_ynh"
@@ -920,7 +920,7 @@
     "garradin": {
         "branch": "master",
         "category": "productivity_and_management",
-        "level": 7,
+        "level": 4,
         "revision": "HEAD",
         "state": "working",
         "subtags": [
@@ -1265,7 +1265,7 @@
     "jappix": {
         "branch": "master",
         "category": "communication",
-        "level": 4,
+        "level": 7,
         "maintained": false,
         "revision": "611170f1575603e65225b4b353f61884c7b0b42e",
         "state": "working",
@@ -2778,7 +2778,7 @@
     "snipeit": {
         "branch": "master",
         "category": "productivity_and_management",
-        "level": 7,
+        "level": 1,
         "maintained": true,
         "revision": "HEAD",
         "state": "working",