faq: update the inflation bug question

make the answer translatable
add moneroinflation.com

closes monero-project#2339

_i18n/en.yml

@@ -495,6 +495,8 @@ faq:
   a12-1: In Monero, every @transaction output is uniquely associated with a key image that can only be generated by the holder of that output. Key images that are used more than once are rejected by the miners as double-spends and cannot be added to a valid @block. When a new transaction is received, miners verify that the key image does not already exist for a previous transaction to ensure it's not a double-spend.
   a12-2: We can also know that transaction amounts are valid even though the value of the inputs that you are spending and the value of the outputs you are sending are encrypted (these are hidden to everyone except the recipient). Because the amounts are encrypted using @Pedersen-commitments what this means is that no observers can tell the amounts of the inputs and outputs, but they can do math on the Pedersen commitments to determine that no Monero was created out of thin air.
   a12-3: As long as the encrypted output amounts you create is equal to the sum of the inputs that are being spent (which include an output for the recipient and a change output back to yourself and the unencrypted transaction fee), then you have a legitimate transaction and know no Monero is being created out of thin air. Pedersen commitments mean that the sums can be verified as being equal, but the Monero value of each of the sums and the Monero value of the inputs and outputs individually are undeterminable.
+  aabout-auditability: More about supply auditability
+  adetailed-auditability: Deeper analysis of supply auditability
   q13: Is Monero magic and protects my privacy no matter what I do?
   a13: Monero is not magic. If you use Monero but give your name and address to another party, the other party will not magically forget your name and address. If you give out your secret keys, others will know what you've done. If you get compromised, others will be able to keylog you. If you use a weak password, others will be able to brute force your keys file. If you backup your seed in the cloud, you'll be poorer soon.
   q14: Is Monero 100% anonymous?
@@ -559,6 +561,7 @@ faq:
   qtailemission: Why does Monero not have a maximum supply?
   atailemission: Miners process transactions on the Monero network by @mining blocks. The miner of a @block is paid the constant block reward of .6 XMR, and the @transaction fees of the users who have transactions in that block. Monero has the block reward rather than relying solely on the transaction fees to give the miners incentive to keep securing the network with their hashrate, and keep transaction fees low. 
   atailemission1: The @tail-emission caused by this constant block reward creates an inflation rate of less than 1% which trends towards 0% over time. The fixed emission of the currency ensures human corruption cannot over inflate the supply. Keeping the network predictable, decentralized, and secure.
+  qinflation-bug: 
 mining:
   intro1: Monero is a cryptocurrency that relies on proof-of-work mining to achieve distributed consensus. Below you'll find some information and resources on how to begin mining.
   intro2: The Monero Project does not endorse any particular pool, software, or hardware, and the content below is provided for informational purposes only.

get-started/faq/index.md

@@ -252,7 +252,8 @@ meta_descr: faq.intro
                         <p>{% t faq.a12-1 %}</p>
                         <p>{% t faq.a12-2 %}</p>
                         <p>{% t faq.a12-3 %}</p>
-                        <p>{% t faq.additional %} <a href="{{ site.baseurl_root }}/2020/01/17/auditability.html">About supply auditability</a></p>
+                        <p>{% t faq.additional %} <a href="{{ site.baseurl_root }}/2020/01/17/auditability.html">{% t faq.aabout-auditability %}</a></p>
+                        <p>{% t faq.additional %} <a href="https://moneroinflation.com">{% t faq.adetailed-auditability %}</a></p>
                     </div>
                 </div>
                 <div class="tab" id="max-supply">