fix: typos in documentation files (#1583)

* Update api-functions.mdx

* Update replace-bigints.mdx

* Update read-contract-data.mdx

Author: kilavvy

docs/pages/0_6/docs/query/api-functions.mdx

@@ -173,7 +173,7 @@ ponder.get("/account/:address", async (c) => {
   const account = await c.db
     .select()
     .from(Account)
-    .where(eq(Accout.address, address))
+    .where(eq(Account.address, address))
     .first();
 
   if (account) {

docs/pages/0_6/docs/utilities/replace-bigints.mdx

@@ -14,7 +14,7 @@ import { Callout } from "nextra/components";
 
 Replaces all `BigInt{:ts}` values in an object using the provided [replacer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#replacer) function. The target can be a scalar, array, or object.
 
-The `ReplaceBigInt{:ts}` generic type implements the same funtionality at the type level.
+The `ReplaceBigInt{:ts}` generic type implements the same functionality at the type level.
 
 ## Usage
 

docs/pages/docs/indexing/read-contract-data.mdx

@@ -160,7 +160,7 @@ ponder.on("Blitmap:Mint", async ({ event, context }) => {
     abi: context.contracts.Blitmap.abi,
     address: context.contracts.Blitmap.address,
     functionName: "totalSupply",
-    // This is set automatically, no need to include it youself.
+    // This is set automatically, no need to include it yourself.
     // blockNumber: event.block.number,
   });
 });