Add desription, term of use and extract current version from changelog

omero_search_engine/__init__.py

@@ -32,6 +32,16 @@
 
 from configurations.configuration import app_config as config_
 
+def get_current_version():
+    current_version=""
+    file_name="CHANGELOG.md"
+    try:
+        with open(file_name) as f:
+            lines = f.readlines()
+        current_version=lines[0].split("(")[0]
+    except Exception as e:
+        pass
+    return current_version
 
 template = {
     "swaggerUiPrefix": LazyString(
@@ -47,12 +57,16 @@
 
 search_omero_app.json_encoder = LazyJSONEncoder
 
-
 search_omero_app.config["SWAGGER"] = {
     "title": "OMERO Search Engine API",
-    "version": "0.2.0",
+    "version": str(get_current_version()),
+    'description': LazyString(lambda: 'OMERO search engine app is used to search metadata (key-value pairs).\n'
+                                      'For additional details, please refer to the following link:\n'
+                                      'https://github.com/ome/omero_search_engine/blob/main/README.rst'),
+    "termsOfService": "https://github.com/ome/omero_search_engine/blob/main/LICENSE.txt",
 }
 
+
 swagger = Swagger(search_omero_app, template=template)
 
 app_config = load_configuration_variables_from_file(config_)