feat: add initial ammo chart, update dbs, and update docs.

templates/landing.html

@@ -233,6 +233,7 @@
       <a href="/loadout">Loadout</a>
       <a href="/meds">Injectors</a>
       <a href="/barters">Barters</a>
+      <a href="/ammo">Ammo</a>
     </div>
   </nav>
 
@@ -284,6 +285,12 @@
         <div class="card-desc">Calculate the true rouble cost of any barter deal.</div>
         <div class="card-arrow">Open →</div>
       </a>
+      <a class="card" href="/ammo">
+        <div class="card-icon">◎</div>
+        <div class="card-title">Ammo Chart</div>
+        <div class="card-desc">Scatter plot of damage vs. armor penetration for every caliber.</div>
+        <div class="card-arrow">Open →</div>
+      </a>
     </div>
   </div>