diff --git a/express/package.json b/express/package.json
index ad36b22..2fc863d 100644
--- a/express/package.json
+++ b/express/package.json
@@ -18,6 +18,7 @@
         "@vercel/ncc": "^0.38.4",
         "express": "^5.1.0",
         "nodemon": "^3.1.11",
+        "nunjucks": "^3.2.4",
         "path-to-regexp": "^8.3.0",
         "prettier": "^3.6.2",
         "ts-node": "^10.9.2",
diff --git a/express/pnpm-lock.yaml b/express/pnpm-lock.yaml
index 489ca7c..431cf7e 100644
--- a/express/pnpm-lock.yaml
+++ b/express/pnpm-lock.yaml
@@ -23,6 +23,9 @@ importers:
       nodemon:
         specifier: ^3.1.11
         version: 3.1.11
+      nunjucks:
+        specifier: ^3.2.4
+        version: 3.2.4(chokidar@3.6.0)
       path-to-regexp:
         specifier: ^8.3.0
         version: 8.3.0
@@ -331,6 +334,9 @@ packages:
     resolution: {integrity: sha512-8LwjnlP39s08C08J5NstzriPvW1SP8Zfpp1BvC2sI35kPeZnHfxVkCwu4/+Wodgnd60UtT1n8K8zw+Mp7J9JmQ==}
     hasBin: true
 
+  a-sync-waterfall@1.0.1:
+    resolution: {integrity: sha512-RYTOHHdWipFUliRFMCS4X2Yn2X8M87V/OpSqWzKKOGhzqyUxzyVmhHDH9sAvG+ZuQf/TAOFsLCpMw09I1ufUnA==}
+
   accepts@2.0.0:
     resolution: {integrity: sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==}
     engines: {node: '>= 0.6'}
@@ -351,6 +357,9 @@ packages:
   arg@4.1.3:
     resolution: {integrity: sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==}
 
+  asap@2.0.6:
+    resolution: {integrity: sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA==}
+
   balanced-match@1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
 
@@ -385,6 +394,10 @@ packages:
     resolution: {integrity: sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==}
     engines: {node: '>= 8.10.0'}
 
+  commander@5.1.0:
+    resolution: {integrity: sha512-P0CysNDQ7rtVw4QIQtm+MRxV66vKFSvlsQvGYXZWR3qFU0jlMKHZZZgw8e+8DSah4UDKMqnknRDQz+xuQXQ/Zg==}
+    engines: {node: '>= 6'}
+
   concat-map@0.0.1:
     resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
 
@@ -609,6 +622,16 @@ packages:
     resolution: {integrity: sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==}
     engines: {node: '>=0.10.0'}
 
+  nunjucks@3.2.4:
+    resolution: {integrity: sha512-26XRV6BhkgK0VOxfbU5cQI+ICFUtMLixv1noZn1tGU38kQH5A5nmmbk/O45xdyBhD1esk47nKrY0mvQpZIhRjQ==}
+    engines: {node: '>= 6.9.0'}
+    hasBin: true
+    peerDependencies:
+      chokidar: ^3.3.0
+    peerDependenciesMeta:
+      chokidar:
+        optional: true
+
   object-inspect@1.13.4:
     resolution: {integrity: sha512-W67iLl4J2EXEGTbfeHCffrjDfitvLANg0UlX3wFUUSTx92KXRFegMHUVgSqE+wvhAbi4WqjGg9czysTV2Epbew==}
     engines: {node: '>= 0.4'}
@@ -1010,6 +1033,8 @@ snapshots:
 
   '@vercel/ncc@0.38.4': {}
 
+  a-sync-waterfall@1.0.1: {}
+
   accepts@2.0.0:
     dependencies:
       mime-types: 3.0.1
@@ -1028,6 +1053,8 @@ snapshots:
 
   arg@4.1.3: {}
 
+  asap@2.0.6: {}
+
   balanced-match@1.0.2: {}
 
   binary-extensions@2.3.0: {}
@@ -1079,6 +1106,8 @@ snapshots:
     optionalDependencies:
       fsevents: 2.3.3
 
+  commander@5.1.0: {}
+
   concat-map@0.0.1: {}
 
   content-disposition@1.0.0:
@@ -1323,6 +1352,14 @@ snapshots:
 
   normalize-path@3.0.0: {}
 
+  nunjucks@3.2.4(chokidar@3.6.0):
+    dependencies:
+      a-sync-waterfall: 1.0.1
+      asap: 2.0.6
+      commander: 5.1.0
+    optionalDependencies:
+      chokidar: 3.6.0
+
   object-inspect@1.13.4: {}
 
   on-finished@2.4.1: