Add new endpoint search_episode_titles

Author: wenbinf

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    podcast_api (1.1.5)
+    podcast_api (1.1.6)
       httparty (~> 0.20.0)
 
 GEM
@@ -10,9 +10,9 @@ GEM
     httparty (0.20.0)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    mime-types (3.4.1)
+    mime-types (3.5.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2023.0218.1)
+    mime-types-data (3.2023.0808)
     mocha (1.12.0)
     multi_xml (0.6.0)
     power_assert (2.0.0)