added web api and web ui

public/cgi-bin/api.cgi

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+
+import cgi
+import os
+import subprocess
+UPLOAD_DIR = './uploads/'
+
+def main():
+    print("Content-Type: application/json\n")
+
+    form = cgi.FieldStorage()
+
+    fileitem = form['file']
+
+    if fileitem.filename:
+        fn = os.path.basename(fileitem.filename)
+        file_path = os.path.join(UPLOAD_DIR, fn)
+        open(file_path, 'wb').write(fileitem.file.read())
+        result = run_ocr_script(file_path)
+        print(result)
+        os.remove(file_path)
+    else:
+        print("No file was uploaded.")
+
+def run_ocr_script(file_path):
+    try:
+        completed_process = subprocess.run(['./ocr.sh', file_path], check=True, text=True, capture_output=True)
+        return completed_process.stdout
+    except subprocess.CalledProcessError as e:
+        return f"An error occurred: {e}"
+    except Exception as e:
+        return f"Unexpected error: {e}"
+
+if __name__ == '__main__':
+    main()