Added reporting menu with one link for Custom Report

modules/opencase_reporting/config/install/block.block.opencase_reporting.yml

@@ -0,0 +1,23 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - system.menu.opencase_reporting
+  module:
+    - system
+  theme:
+    - bartik
+id: opencase_reporting_menu
+theme: bartik
+region: sidebar_first
+weight: -8
+provider: null
+plugin: 'system_menu_block:opencase_reporting'
+settings:
+  id: 'system_menu_block:opencase_reporting'
+  label: 'Reporting'
+  provider: system
+  label_display: visible
+  level: 1
+  depth: 0
+visibility: {  }

modules/opencase_reporting/config/install/system.menu.opencase_reporting.yml

@@ -0,0 +1,7 @@
+langcode: en
+status: true
+dependencies: {  }
+id: opencase_reporting
+label: 'OpenCase Reporting'
+description: ''
+locked: false