Feat: Remove extra information from report

@amunnich @haufs

Remove extra page and extra information from report.

cal_tools/cal_tools/tools.py

@@ -129,17 +129,21 @@ def make_report(run_path, tmp_path, out_path, project, author, version, report_t
             if ext == ".rst" and "index" not in name:
                 files_to_handle.append(name.strip())
 
-    with open("{}/index.rst".format(run_path), "w+") as mf:
-        mf.write('Calibration report\n')
-        mf.write('==================\n\n')
+    indexTmp = Template('''
+                        Calibration report
+                        ==================
+                        
+                        .. toctree::
+                           :maxdepth: 2
+                           {% for k in keys %}
+                           {{ k }}
+                           {%- endfor %}
+                        ''')
 
-        mf.write('.. toctree::\n')
-        mf.write('   :maxdepth: 2\n\n')
-        for f in files_to_handle:
-            mf.write('   {} \n'.format(f))
+    with open("{}/index.rst".format(run_path), "w+") as mf:
+        mf.write(textwrap.dedent(indexTmp.render(keys=files_to_handle)))
 
     # finally call the make scripts
-
     os.chdir(run_path)
     try:
         import subprocess