big upgrades to upgrade system

pak/static/js/dlg-charsheet.js

@@ -19,10 +19,16 @@ function update_charsheet() {
     }
 }
 
+async function purchase_upgrade(tree, upgrade) {
+    var upgrade_data = await fetch(`/upgrades/${tree}/${upgrade}`)
+    .then(res => res.text())
+    console.log(upgrade_data)
+}
+
 async function display_tree(tree) {
     var upgrade_tree = await fetch(`/upgrades/${tree}`)
     .then(res => res.text())
-    console.log(upgrade_tree)
+    //console.log(upgrade_tree)
 
     charsheet_elements["blk_tree"].innerHTML = upgrade_tree
 }