fix: change policies{} to [] - multiple projects

PROJECTS/a_digital_typology_of_arabic_documents/72bf1192-8af5-4df0-bd88-cf4d62d13d66.json

@@ -117,7 +117,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "digital_edition",

PROJECTS/ada_center/173631fa-ddc3-4762-bfd9-5bf40ccef41a.json

@@ -98,7 +98,7 @@
       "lang": []
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "infrastructure",
       "interdisciplinary_research",

PROJECTS/afrikanische_stimmen_in_islamischen_manuskripten/eaf36ccc-5ee4-4749-80ea-7f71f479c968 .json

@@ -136,7 +136,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "african_languages",
       "ajami",

PROJECTS/alea/d0f460bf-e890-4124-95e5-03675d5d2a83.json

@@ -105,7 +105,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "11th_to_18th_century",
       "ara",

PROJECTS/altaegyptisches_woerterbuch/a4d189e4-f03f-4db0-8742-b777e22da760.json

@@ -131,7 +131,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ancient_egyptian",
       "celt",

PROJECTS/anonym_classic/d1e6d69b-5e9a-4b4a-85ad-09aac56ed2d9.json

@@ -101,7 +101,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "digital_edition",

PROJECTS/arabic_papyrology_database/e9bf3427-1c16-4bec-9d2d-22836ae7a4b9.json

@@ -143,7 +143,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "datebase",

PROJECTS/arbeitsstelle_kleine_faecher/4a8c71d9-bdf0-4df1-9980-b13fb5b1af3b.json

@@ -109,7 +109,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ger",
       "german_university",

PROJECTS/arches/ce6e74fb-c872-4ab4-a6f2-908232d0099a.json

@@ -161,7 +161,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "bible",

PROJECTS/averroes_commentary_on_the_physics_in_hebrew_and_latin_transmission/3992a23d-8426-4b73-8b30-844e471e76e2.json

@@ -106,7 +106,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "aristotele",
       "averroes",

PROJECTS/averroes_de_partibus_animalium_and_de_generatione_animalium/7c7438e6-4172-4059-ad60-54a6d0d61f7c.json

@@ -106,7 +106,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "aristotele",
       "averroes",

PROJECTS/averroes_edition/a6e1fb68-e7a5-4125-8cfc-ec3aa16da73b.json

@@ -235,7 +235,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "aristotele",

PROJECTS/averroes_ibn_baggas_de_generatione_et_corruptione/c3e206ec-9989-4500-ac20-4126e35871f2.json

@@ -95,7 +95,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "aristotele",

PROJECTS/averroes_ibn_baggas_physics/f24e806a-0777-4690-b148-1b35ab3745e2.json

@@ -95,7 +95,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "aristotele",

PROJECTS/beta_masaheft_manuscripts_of__ethiopia_and_eritrea/169677fd-14f9-46e7-b8f1-2202fb91397c.json

@@ -201,7 +201,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "bibliographic_database",
       "gez",

PROJECTS/biblia_arabica/c523675a-0e54-4d1e-8d08-2395d58323e3.json

@@ -173,7 +173,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "bible",

PROJECTS/bibliotheca_arabica/ab7e5659-177f-40ed-befb-5d0eecea737f.json

@@ -114,7 +114,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ara",
       "bibliotheca_arabica",

PROJECTS/bildverarbeitung_bestimmung_von_visuellen_manuskript_und_zeichenmerkmalen/eb8e91fe-952e-48b7-af0d-c026ebe37826.json

@@ -132,7 +132,7 @@
       "lang": []
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "image_processing",
       "ip",

PROJECTS/change_projekt/f87c6596-0ce3-4f2e-8ec5-ea5d17253bba.json

@@ -109,7 +109,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "ger",
       "infrastructure",

PROJECTS/colophons_in_sumerian_and_akkadian/95a2024b-9fea-4ced-8136-1130b0fb8f51.json

@@ -91,7 +91,7 @@
       ]
     },
     "stack": {},
-    "policies": {},
+    "policies": [],
     "keywords": [
       "akk",
       "colophons",