diff --git a/poetry.lock b/poetry.lock
index d758a8a..8234754 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,5 +1,32 @@
 # This file is automatically @generated by Poetry 2.0.1 and should not be changed by hand.
 
+[[package]]
+name = "blinker"
+version = "1.9.0"
+description = "Fast, simple object-to-object and broadcast signaling"
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
+files = [
+    {file = "blinker-1.9.0-py3-none-any.whl", hash = "sha256:ba0efaa9080b619ff2f3459d1d500c57bddea4a6b424b60a91141db6fd2f08bc"},
+    {file = "blinker-1.9.0.tar.gz", hash = "sha256:b4ce2265a7abece45e7cc896e98dbebe6cead56bcf805a3d23136d145f5445bf"},
+]
+
+[[package]]
+name = "click"
+version = "8.1.8"
+description = "Composable command line interface toolkit"
+optional = false
+python-versions = ">=3.7"
+groups = ["main"]
+files = [
+    {file = "click-8.1.8-py3-none-any.whl", hash = "sha256:63c132bbbed01578a06712a2d1f497bb62d9c1c0d329b7903a866228027263b2"},
+    {file = "click-8.1.8.tar.gz", hash = "sha256:ed53c9d8990d83c2a27deae68e4ee337473f6330c040a31d4225c9574d16096a"},
+]
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
 [[package]]
 name = "colorama"
 version = "0.4.6"
@@ -7,7 +34,7 @@ description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 groups = ["main"]
-markers = "sys_platform == \"win32\""
+markers = "sys_platform == \"win32\" or platform_system == \"Windows\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
@@ -29,6 +56,29 @@ files = [
 [package.extras]
 test = ["pytest (>=6)"]
 
+[[package]]
+name = "flask"
+version = "3.1.0"
+description = "A simple framework for building complex web applications."
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
+files = [
+    {file = "flask-3.1.0-py3-none-any.whl", hash = "sha256:d667207822eb83f1c4b50949b1623c8fc8d51f2341d65f72e1a1815397551136"},
+    {file = "flask-3.1.0.tar.gz", hash = "sha256:5f873c5184c897c8d9d1b05df1e3d01b14910ce69607a117bd3277098a5836ac"},
+]
+
+[package.dependencies]
+blinker = ">=1.9"
+click = ">=8.1.3"
+itsdangerous = ">=2.2"
+Jinja2 = ">=3.1.2"
+Werkzeug = ">=3.1"
+
+[package.extras]
+async = ["asgiref (>=3.2)"]
+dotenv = ["python-dotenv"]
+
 [[package]]
 name = "iniconfig"
 version = "2.0.0"
@@ -41,6 +91,18 @@ files = [
     {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
 ]
 
+[[package]]
+name = "itsdangerous"
+version = "2.2.0"
+description = "Safely pass data to untrusted environments and back."
+optional = false
+python-versions = ">=3.8"
+groups = ["main"]
+files = [
+    {file = "itsdangerous-2.2.0-py3-none-any.whl", hash = "sha256:c6242fc49e35958c8b15141343aa660db5fc54d4f13a1db01a3f5891b98700ef"},
+    {file = "itsdangerous-2.2.0.tar.gz", hash = "sha256:e0050c0b7da1eea53ffaf149c0cfbb5c6e2e2b69c4bef22c81fa6eb73e5f6173"},
+]
+
 [[package]]
 name = "jinja2"
 version = "3.1.5"
@@ -224,7 +286,25 @@ files = [
     {file = "tomli-2.2.1.tar.gz", hash = "sha256:cd45e1dc79c835ce60f7404ec8119f2eb06d38b1deba146f07ced3bbc44505ff"},
 ]
 
+[[package]]
+name = "werkzeug"
+version = "3.1.3"
+description = "The comprehensive WSGI web application library."
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
+files = [
+    {file = "werkzeug-3.1.3-py3-none-any.whl", hash = "sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e"},
+    {file = "werkzeug-3.1.3.tar.gz", hash = "sha256:60723ce945c19328679790e3282cc758aa4a6040e4bb330f53d30fa546d44746"},
+]
+
+[package.dependencies]
+MarkupSafe = ">=2.1.1"
+
+[package.extras]
+watchdog = ["watchdog (>=2.3)"]
+
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10"
-content-hash = "0a9013a636f851bda026a160d911e780fa27b6c3ed9f6b0bfad7fa50748f451d"
+content-hash = "45718b68919d6fafaaed35cd58dbbb244f8ebb0f0c73de8050cd04b8cae82738"
diff --git a/pyproject.toml b/pyproject.toml
index 0e4576e..daff9bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,7 @@ requires-python = ">=3.10"
 dependencies = [
 	"jinja2 (>=3.1.5,<4.0.0)",
     "pytest>=7.0.0",
+    "flask (>=3.1.0,<4.0.0)",
 ]
 
 
@@ -26,4 +27,3 @@ testpaths = ["tests"]
 python_files = ["test_*.py"]
 python_classes = ["Test*"]
 python_functions = ["test_*"]
-
diff --git a/senju/main.py b/senju/main.py
index e3095b2..cc88aa4 100644
--- a/senju/main.py
+++ b/senju/main.py
@@ -1,2 +1,10 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from flask import Flask, url_for
+from markupsafe import escape
+
+
 def main():
     print("hello world")