User: Add experience / levels

Each drop and claim hands out 10 and 5 xp respectively.
The profile then renders the users current level based on
the formula 0.5 * sqrt(exp)

commands/drop.js

@@ -61,6 +61,8 @@ module.exports = {
 					.setStyle(ButtonStyle.Primary),
 			);            
         }
+        //add 10 experience to the user
+        await user.addExperience(10);
 
         const file = new AttachmentBuilder(deckImage);
     
@@ -93,7 +95,7 @@ module.exports = {
                 cards[cardId].userId = claimUser.id;
                 await UserUtils.setCooldown(claimUser, "pull", await GeneralUtils.getBotProperty("pullTimeout"));
                 await cards[cardId].save();
-                
+                await claimUser.addExperience(5);
                 //fetch character name from database given the character id
                 let character = await Character.findOne({
                     attributes: ["name"],

commands/profile.js

@@ -20,7 +20,7 @@ module.exports = {
         profileTemplate = profileTemplate.replace(/{{USERNAME}}/g, interaction.member.displayName.substr(0,15)+(interaction.member.displayName.length>15?'...':''));
         profileTemplate = profileTemplate.replace(/{{HEADER_COLOR}}/g, '190,31,97');
         profileTemplate = profileTemplate.replace(/{{CC}}/g, await Card.count({where: {userId: user.id}}));
-        profileTemplate = profileTemplate.replace(/{{LVL}}/g, "0");
+        profileTemplate = profileTemplate.replace(/{{LVL}}/g, await user.getLevel());
 
         let slots = ['slotOne', 'slotTwo', 'slotThree', 'slotFour'];
         let renderedCards = [];