Add main application page, key generation and download is working

app.py

@@ -1,6 +1,6 @@
 # gpg_api.py
 
-from flask import Flask, Request, request, jsonify, send_file
+from flask import Flask, Request, render_template, request, jsonify, send_file
 import gnupg
 import tempfile
 import os
@@ -74,27 +74,12 @@ def find_key_by_email(email, secret=False):
 
 # @app.route("/api/setup/gnupg", methods=["GET"])
 # def setup_gnupg():
-#     """Check if GnuPG is available through python-gnupg"""
-#     try:
-#         # Try to get version info
-#         version_info = gpg_instance.version
-#         logger.info("GnuPG accessible through python-gnupg")
-#         return jsonify(
-#             {
-#                 "status": "GnuPG is available through python-gnupg",
-#                 "version": version_info,
-#             }
-#         )
-#     except Exception as e:
-#         logger.warning(f"GnuPG not accessible: {e}")
-#         return (
-#             jsonify(
-#                 {
-#                     "error": "GnuPG is not accessible. Please ensure it's properly installed."
-#                 }
-#             ),
-#             404,
-#         )
+
+
+@app.route("/")
+def index():
+    """Render the main application page"""
+    return render_template("index.html")
 
 
 @app.route("/api/generate-key", methods=["POST"])