fix(curriculum): change plaintext blocks from bash to markdown (#60754)

curriculum/challenges/english/14-responsive-web-design-22/learn-basic-css-by-building-a-cafe-menu/5f3c866d5414453fc2d7b480.md

@@ -9,7 +9,7 @@ dashedName: step-31
 
 Starting below the existing coffee/price pair, add the following coffee and prices using `article` elements with two nested `p` elements inside each:
 
-```bash
+```md
 Caramel Macchiato 3.75
 Pumpkin Spice 3.50
 Hazelnut 4.00

curriculum/challenges/english/14-responsive-web-design-22/learn-basic-css-by-building-a-cafe-menu/5f716bee5838c354c728a7c5.md

@@ -9,7 +9,7 @@ dashedName: step-52
 
 Below the dessert you just added, add the rest of the desserts and prices using three more `article` elements, each with two nested `p` elements. Each element should have the correct dessert and price text, and all of them should have the correct classes.
 
-```bash
+```md
 Cherry Pie 2.75
 Cheesecake 3.00
 Cinnamon Roll 2.50

curriculum/challenges/english/16-the-odin-project/top-learn-arrays-and-loops/learn-arrays-and-loops-lesson-f.md

@@ -46,7 +46,7 @@ for (let i = 1; i < items.length; i++) {
 
 ## --answers--
 
-```bash
+```md
 apple
 banana
 cherry
@@ -55,14 +55,14 @@ date
 
 ---
 
-```bash
+```md
 banana
 cherry
 ```
 
 ---
 
-```bash
+```md
 apple
 banana
 cherry
@@ -70,7 +70,7 @@ cherry
 
 ---
 
-```bash
+```md
 banana
 cherry
 date

curriculum/challenges/english/16-the-odin-project/top-learn-to-solve-problems-and-understand-errors/learn-to-solve-problems-and-understand-errors-lesson-c.md

@@ -13,7 +13,7 @@ Pseudocode is writing out the logic for your program in natural language instead
 
 Here’s an example of what the pseudocode for a program that prints all numbers up to an inputted number might look like:
 
-```bash
+```md
 When the user inputs a number
 Initialize a counter variable and set its value to zero
 While counter is smaller than user inputted number increment the counter by one

curriculum/challenges/english/22-rosetta-code/rosetta-code-challenges/luhn-test-of-credit-card-numbers.md

@@ -25,7 +25,7 @@ Those companies using credit card numbers that can be validated by the Luhn test
 
 For example, if the trial number is 49927398716:
 
-```bash
+```md
 Reverse the digits:
   61789372994
 Sum the odd digits:

curriculum/challenges/english/22-rosetta-code/rosetta-code-challenges/lychrel-numbers.md

@@ -18,14 +18,14 @@ The above recurrence relation when applied to most starting numbers `n` = 1, 2,
 
 For example if `n₀` = 12 we get:
 
-```bash
+```md
 12
 12 + 21 = 33,  a palindrome!
 ```
 
 And if `n₀` = 55 we get:
 
-```bash
+```md
 55
 55 + 55 = 110
 110 + 011 = 121,  a palindrome!
@@ -43,7 +43,7 @@ Any integer produced in the sequence of a Lychrel number is also a Lychrel numbe
 
 In general, any sequence from one Lychrel number *might* converge to join the sequence from a prior Lychrel number candidate; for example the sequences for the numbers 196 and then 689 begin:
 
-```bash
+```md
     196
     196 + 691 = 887
     887 + 788 = 1675

curriculum/challenges/english/25-front-end-development/workshop-cafe-menu/5f3c866d5414453fc2d7b480.md

@@ -9,7 +9,7 @@ dashedName: step-31
 
 Starting below the existing coffee/price pair, add the following coffee and prices using `article` elements with two nested `p` elements inside each.
 
-```bash
+```md
 Caramel Macchiato 3.75
 Pumpkin Spice 3.50
 Hazelnut 4.00

curriculum/challenges/english/25-front-end-development/workshop-cafe-menu/5f716bee5838c354c728a7c5.md

@@ -9,7 +9,7 @@ dashedName: step-52
 
 Below the dessert you just added, add the rest of the desserts and prices using three more `article` elements, each with two nested `p` elements. Each element should have the correct dessert and price text, and all of them should have the correct classes.
 
-```bash
+```md
 Cherry Pie 2.75
 Cheesecake 3.00
 Cinnamon Roll 2.50