refactor: Change sys prompt and redirection to Haiku page

Refs: OPS-22

senju/ai_gen.py

@@ -13,6 +13,7 @@ Haiku (俳句) is a type of short form poetry that originated in Japan. Traditio
 phrases composed of 17 morae (called on in Japanese) in a 5, 7, 5 pattern that include a kireji, 
 or "cutting word" and a kigo, or seasonal reference.
 
+The poem must contain the subjects of the user input.
 You must return only the poem and nothing else.
 You must return the poem in a json format in the following format:
 {

senju/templates/prompt.html

@@ -62,7 +62,7 @@ document.getElementById("submit-btn").addEventListener("click", function() {
             console.log(data);
             //responseText.innerHTML = data[0] + "<br>" + data[1] + "<br>" + data[2];
             let id = parseInt(data, 10);
-            window.location.replace("/haiku/"+id);
+            window.location.href = "/haiku/"+id;
         })
         .catch(error => {
             document.getElementById('result').innerHTML = '<strong>Error:</strong> ' + error.message;