Add Asset Management app

Assets from purchase invoice lines, straight-line depreciation/amortization with salvage value, disposals, and [Asset Mgmt] sources in Batch GL Entries. Green third workspace with an app access guard.

app/journal/index.php

@@ -43,6 +43,12 @@
               <option value="receipt">Receipt</option>
               <option value="payment">Payment</option>
               <option value="manual">Manual</option>
+              <optgroup label="Asset Management">
+                <option value="asset_capitalization">[Asset Mgmt] Capitalization</option>
+                <option value="asset_depreciation">[Asset Mgmt] Depreciation</option>
+                <option value="asset_amortization">[Asset Mgmt] Amortization</option>
+                <option value="asset_disposal">[Asset Mgmt] Disposal</option>
+              </optgroup>
             </select>
           </div>
           <div class="col-auto">
@@ -105,6 +111,8 @@
     invoice: 'Invoice', credit_note: 'Credit Note',
     purchase_invoice: 'Purchase Invoice', supplier_credit_note: 'Supplier Credit Note',
     receipt: 'Receipt', payment: 'Payment', manual: 'Manual',
+    asset_capitalization: 'Asset Mgmt · Capitalization', asset_depreciation: 'Asset Mgmt · Depreciation',
+    asset_amortization: 'Asset Mgmt · Amortization', asset_disposal: 'Asset Mgmt · Disposal',
   };
   var type_badge_cls = {
     invoice:              'bg-primary-subtle text-primary',
@@ -114,6 +122,10 @@
     supplier_credit_note: 'bg-secondary-subtle text-secondary',
     credit_note:          'bg-info-subtle text-info',
     manual:               'bg-dark-subtle text-dark',
+    asset_capitalization: 'bg-success text-white',
+    asset_depreciation:   'bg-success text-white',
+    asset_amortization:   'bg-success text-white',
+    asset_disposal:       'bg-success text-white',
   };
 
   function load_listing() {