💱 DEX code examples setup

No known existing community opinions or best practices on the java syntax per https://discord.com/channels/897514728459468821/966788672164855829/1314630372042084534 in re #1044.
I know some of the existing pages have been loosely casted, but there seem to be a lot of new users complaining about Docs examples not compiling or running locally given test data.

docs/learn/encyclopedia/sdex/README.mdx

@@ -1,12 +1,10 @@
 ---
-title: Payment Liquidity
+title: Conversion Liquidity
 sidebar_position: 90
 ---
 
 import DocCardList from "@theme/DocCardList";
 
-{_/ Opt. do as "Conversion" liquidirty _/}
-
-Native network markets, liquidity, and conversions for all assets.
+Native network markets, liquidity, and exchange for all assets.
 
 <DocCardList />

docs/learn/encyclopedia/sdex/liquidity-on-stellar-sdex-liquidity-pools.mdx

@@ -44,7 +44,7 @@ server = Server("https://horizon-testnet.stellar.org")
 privateKey = "SAXBT6KO6NJ6SJXHBO6EBC7I5ZB7DZFYNPQOLXZJOKQ2LSGY5FU7ZJZB"
 publicKey = "GBRPYHIL2CI3R5N4A7WMBETDZQ24DXFQGNCJWHXPFRGFWZHJZZBDTWR2"
 
-# Asset config
+# Asset setup
 astroDollar = Asset("AstroDollar", "GDRM3MK6KMHSYIT4E2AG2S2LWTDBJNYXE4H72C7YTTRWOWX5ZBECFWO7")
 astroPeso = Asset("AstroPeso", "GBHNGLLIE3KWGKCHIKMHJ5HVZHYIK7WTBE4QF5PLAKL4CJGSEU7HZIW5")
 
@@ -72,7 +72,7 @@ const server = new Server("https://horizon-testnet.stellar.org");
 const privateKey = "SAXBT6KO6NJ6SJXHBO6EBC7I5ZB7DZFYNPQOLXZJOKQ2LSGY5FU7ZJZB";
 const publicKey = "GBRPYHIL2CI3R5N4A7WMBETDZQ24DXFQGNCJWHXPFRGFWZHJZZBDTWR2";
 
-// Asset config
+// Asset setup
 const astroDollar = new Asset(
   "AstroDollar",
   "GDRM3MK6KMHSYIT4E2AG2S2LWTDBJNYXE4H72C7YTTRWOWX5ZBECFWO7",
@@ -82,25 +82,39 @@ const astroPeso = new Asset(
   "GBHNGLLIE3KWGKCHIKMHJ5HVZHYIK7WTBE4QF5PLAKL4CJGSEU7HZIW5",
 );
 
-// pending newTxEnvelope(..)
+function newTxBuilder(source, signer, ...ops) {
+  let tx = new sdk.TransactionBuilder(source, {
+    fee: sdk.BASE_FEE,
+    networkPassphrase: sdk.Networks.TESTNET,
+  });
+  ops.forEach((op) => tx.addOperation(op));
+  tx = tx.setTimeout(360).build();
+  tx.sign(signer);
+  return tx;
+}
 ```
 
 ```java
 import org.stellar.sdk.*;
 import org.stellar.sdk.responses.AccountResponse;
 import org.stellar.sdk.responses.SubmitTransactionResponse;
 
-
 public class Liquidity {
   static final Server server = new Server("https://horizon-testnet.stellar.org");
 
   // Account setup
   static String privateKey = "SAXBT6KO6NJ6SJXHBO6EBC7I5ZB7DZFYNPQOLXZJOKQ2LSGY5FU7ZJZB";
   static String publicKey = "GBRPYHIL2CI3R5N4A7WMBETDZQ24DXFQGNCJWHXPFRGFWZHJZZBDTWR2";
 
-  // Asset config
-  Asset astroDollar = new AssetTypeCreditAlphaNum4("AstroDollar", "GDRM3MK6KMHSYIT4E2AG2S2LWTDBJNYXE4H72C7YTTRWOWX5ZBECFWO7");
-  Asset astroPeso = new AssetTypeCreditAlphaNum4("AstroPeso", "GBHNGLLIE3KWGKCHIKMHJ5HVZHYIK7WTBE4QF5PLAKL4CJGSEU7HZIW5");
+  // Asset setup
+  Asset astroDollar = new AssetTypeCreditAlphaNum4(
+    "AstroDollar",
+    "GDRM3MK6KMHSYIT4E2AG2S2LWTDBJNYXE4H72C7YTTRWOWX5ZBECFWO7"
+  );
+  Asset astroPeso = new AssetTypeCreditAlphaNum4(
+    "AstroPeso",
+    "GBHNGLLIE3KWGKCHIKMHJ5HVZHYIK7WTBE4QF5PLAKL4CJGSEU7HZIW5"
+  );
 
   public static Transaction.Builder newTxBuilder(KeyPair source) {
     AccountResponse sourceAccount = server.accounts().account(source.getAccountId());
@@ -112,6 +126,15 @@ public class Liquidity {
 ```
 
 ```go
+import (
+  "fmt"
+  "strconv"
+  "github.com/stellar/go/keypair"
+  "github.com/stellar/go/txnbuild"
+  "github.com/stellar/go/clients/horizonclient"
+  "github.com/stellar/go/network"
+)
+
 func main() {
   // Account setup
   privateKey := "SAXBT6KO6NJ6SJXHBO6EBC7I5ZB7DZFYNPQOLXZJOKQ2LSGY5FU7ZJZB"
@@ -819,17 +842,6 @@ const [A, B] = orderAssets(
   new sdk.Asset("B", kp0.publicKey()),
 );
 
-function newTxBuilder(source, signer, ...ops) {
-  let tx = new sdk.TransactionBuilder(source, {
-    fee: sdk.BASE_FEE,
-    networkPassphrase: sdk.Networks.TESTNET,
-  });
-  ops.forEach((op) => tx.addOperation(op));
-  tx = tx.setTimeout(360).build();
-  tx.sign(signer);
-  return tx;
-}
-
 // Establishes trustlines and funds `recipientKps` for all `assets`
 function distributeAssets(issuerKp, recipientKps, ...assets) {
   return server.loadAccount(issuerKp.publicKey()).then((issuer) => {