templates: Add bn translation for templates (#1555)

For the following templates:
- adb
- cemiuiler
- incompetent.root
- kernelmanager
- nethunter
- rootexplorer
- system

website/docs/public/templates/rootexploler.root

@@ -16,6 +16,10 @@
     "context":"u:r:su:s0",
     "namespace":"INHERITED",
     "locales": {
+        "bn": {
+            "name": "রুট এক্সপ্লোরার",
+            "description": "রুট অনুমতি যুক্ত ফাইল ম্যানেজার।"
+        },
         "zh_TW": {
             "name": "Root Explorer",
             "description": "具有根目錄讀寫權限的檔案管理器"