feat: Make it possible to save the character roster to localStorage

index.html

@@ -507,8 +507,20 @@
              };
          };
 
+         const saveCharacterRoster = () => {
+             if (!checkLocalStorage()) {
+                 alert("Local Storage is not available, cannot save roster.");
+
+                 return;
+             }
+
+             localStorage.setItem("character-roster", JSON.stringify(characterRoster));
+         };
+
          const saveCurrentCharacter = () => {
              characterRoster[currentCharacter] = sheetToObject();
+
+             saveCharacterRoster();
          };
 
          document.addEventListener(