chore: update README.md (#101)

Corrected typos:

Corrected "suppoert" to "support".
Changed "offical" to "official".
Changed "in own custom token list" to "our own custom token list".
Changed "usd" to "USD".
Added a comma after "spam" in "spam/fee taking token" to "spam/fee-taking token".

Co-authored-by: Eugene Chybisov <18644653+chybisov@users.noreply.github.com>

README.md

@@ -4,40 +4,43 @@ LI.FI supports any token passed to the API as long as we can validate it and fin
 
 The API exposes a list of tokens that UIs can use as default to give their users tokens to choose from. e.g. our widget uses that list: https://li.quest/v1/tokens
 
-We automatically include tokens in that token list if they are listed in one of the token list we support:
-- lists of assets the bridges suppoert
-- offical lists of exchanges we support
-- in own custom token list (this repository)
+We automatically include tokens in that token list if they are listed in one of the token lists we support:
+- lists of assets the bridges support
+- official lists of exchanges we support
+- our own custom token list (this repository)
 
 And if we can validate the token:
-- we can find usd prices via debank or zerion APIs
-- the token is not a spam/fee taking token
+- we can find USD prices via Debank or Zerion APIs
+- the token is not a spam/fee-taking token
 
 You can also add scam tokens to /denyTokens/network.json and we will block this token in our system.
 
 ## How to add your token
 
-To add your token find the file representing the chain your token is in in the **tokens** folder. 
+To add your token find the file representing the chain your token is in in the **tokens** folder.
 
 Add your token as the last element in the list (don't forget the `,` after the previous token):
+
 ```json
   },  <== Add the comma
   {
     "address": "0x155f0DD04424939368972f4e1838687d6a831151",
     "chainId": 42161,
     "logoURI": "https://yoursite.com/token.svg", <= permanent link to an image of your token
     "decimals": 18,
-    "name": "nice Name",
+    "name": "Nice Name",
     "symbol": "SYMBOL"
   }
 ]
+
 ```
 
 ## How to block a token
 
 To add a scam token find the file representing the chain the token is in in the **denyTokens** folder. 
 
 Add the token as the last element in the list (don't forget the `,` after the previous token):
+
 ```json
   },  <== Add the comma
   {
@@ -48,4 +51,4 @@ Add the token as the last element in the list (don't forget the `,` after the pr
 ]
 ```
 
-Create a PR with the change describing why we should add that token. Link your project, coingecko and profiles so we can validate the token.
+Create a PR with the change describing why we should add that token. Link your project, CoinGecko and profiles so we can validate the token.