Began implementing Sleeve UI page

src/Player.js

@@ -190,6 +190,9 @@ function PlayerObject() {
     this.bladeburner_analysis_mult                  = 1; //Field Analysis Only
     this.bladeburner_success_chance_mult            = 1;
 
+    // Sleeves
+    this.sleeves = [];
+
     //bitnode
     this.bitNodeN = 1;