Created convention file for frontend and adjusted current project files (#277)

Reviewed-on: #277
Reviewed-by: Mikolaj Widla <widlam@noreply.example.com>
Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Co-committed-by: Adam Bem <adam.bem@zoho.eu>

Frontend/src/components/formatter/HtmlButtonFormatterComponent.vue

@@ -21,6 +21,8 @@ const emit = defineEmits([
     'update:error'
 ])
 
+const fetchLink = document.location.protocol + "//" + document.location.hostname + "/libxml/html/" + chooseType(props.formatType);
+
 function chooseType(formatType: String){
     if (formatType == "HTML -> XML"){
         return "convert";
@@ -45,8 +47,6 @@ function createBody(){
     });
 }
 
-const fetchLink = document.location.protocol + "//" + document.location.hostname + "/libxml/html/" + chooseType(props.formatType);
-
 
 function process(){
     fetch(fetchLink, {body:createBody(), method: "POST"})