init: Euro-Office Odoo 16.0 modules

Based on onlyoffice_odoo by Ascensio System SIA (ONLYOFFICE, LGPL-3).
Rebranded and adapted for Euro-Office by bring.out d.o.o.

Modules:
- eurooffice_odoo: base integration
- eurooffice_odoo_templates: document templates
- eurooffice_odoo_oca_dms: OCA DMS integration (replaces Enterprise documents)

All references renamed: onlyoffice -> eurooffice, ONLYOFFICE -> Euro-Office.
Original copyright notices preserved.

odoo-bringout-eurooffice-eurooffice_odoo/eurooffice_odoo/utils/format_utils.py

@@ -0,0 +1,42 @@
+#
+# (c) Copyright Ascensio System SIA 2024
+#
+
+import json
+import os
+
+
+class Format:
+    def __init__(self, name, type, actions=None, convert=None, mime=None):
+        if actions is None:
+            actions = []
+        if convert is None:
+            convert = []
+        if mime is None:
+            mime = []
+        self.name = name
+        self.type = type
+        self.actions = actions
+        self.convert = convert
+        self.mime = mime
+
+
+def get_supported_formats():
+    file_path = os.path.join(
+        os.path.dirname(__file__), "..", "static", "assets", "document_formats", "eurooffice-docs-formats.json"
+    )
+
+    with open(file_path, encoding="utf-8") as f:
+        data = json.load(f)
+
+    formats = []
+    for item in data:
+        n = item["name"]
+        t = item["type"]
+        a = item.get("actions", [])
+        c = item.get("convert", [])
+        m = item.get("mime", [])
+
+        formats.append(Format(n, t, a, c, m))
+
+    return formats