Add difficulty adjustment table in mining dashboard

frontend/src/app/components/mining-dashboard/mining-dashboard.component.html

@@ -44,11 +44,10 @@
       </div>
     </div>
 
-    <!-- pools hashrate -->
+    <!-- pool dominance -->
     <div class="col">
       <div class="card" style="height: 385px">
         <div class="card-body">
-          <!-- pool dominance -->
           <h5 class="card-title">
             <a href="" [routerLink]="['/mining/hashrate/pools' | relativeUrl]" i18n="mining.pool-historical-dominance">
               Mining Pools Dominance (1y)
@@ -59,5 +58,18 @@
       </div>
     </div>
 
+    <div class="col">
+      <div class="card" style="height: 385px">
+        <div class="card-body">
+          <h5 class="card-title">
+            <a href="" [routerLink]="['/mining/hashrate' | relativeUrl]" i18n="mining.pool-historical-dominance">
+              Adjusments
+            </a>
+          </h5>
+          <app-hashrate-chart [tableOnly]=true [widget]=true></app-hashrate-chart>
+        </div>
+      </div>
+    </div>
+
   </div>
 </div>