fix(typos): fix some typos found in the book content

Author: gdarchen

book-content/chapters/04-essential-types-and-annotations.md

@@ -1186,7 +1186,7 @@ type ShoppingCart = {
 
 There are a few different ways to express an array of objects.
 
-One approach would be to to create a new `Ingredient` type that we can use to represent the objects in the array:
+One approach would be to create a new `Ingredient` type that we can use to represent the objects in the array:
 
 ```ts twoslash
 type Ingredient = {

book-content/chapters/07-mutability.md

@@ -1008,6 +1008,6 @@ const buttonsToChange: (
 )[];
 ```
 
-But again, this is still typed strongly enough to to satisfy `modifyButtons`.
+But again, this is still typed strongly enough to satisfy `modifyButtons`.
 
 When using `as const` like this acts like a hint to TypeScript that it should infer a literal type where it wouldn't otherwise. This can be occasionally useful for when you want to allow mutation, but still want to infer a literal type.

book-content/chapters/10-deriving-types.md

@@ -196,7 +196,7 @@ Use the `typeof` keyword whenever you need to extract types based on runtime val
 
 ### You Can't Create Runtime Types from Values
 
-We've seen that `typeof` can create types from runtime values, but it's important to note that there is no way to to create a value from a type.
+We've seen that `typeof` can create types from runtime values, but it's important to note that there is no way to create a value from a type.
 
 In other words, there is no `valueof` operator:
 
@@ -559,7 +559,7 @@ Your task is to update the `Environment` type so that it is derived from the `co
 
 ### Exercise 3: Accessing Specific Values
 
-Here were have an `programModeEnumMap` object that keeps different groupings in sync. There is also a `ProgramModeMap` type that uses `typeof` to represent the entire enum mapping:
+Here we have an `programModeEnumMap` object that keeps different groupings in sync. There is also a `ProgramModeMap` type that uses `typeof` to represent the entire enum mapping:
 
 ```typescript
 export const programModeEnumMap = {

book-content/chapters/11-annotations-and-assertions.md

@@ -1034,7 +1034,7 @@ This allows us to specify that the values we pass to our configuration object mu
 
 Let's work through the solutions for `satisfies`, `as`, and variable annotations.
 
-#### When to Use `satifies`
+#### When to Use `satisfies`
 
 For the first scenario that uses a `Record`, the `satisfies` keyword won't work because we can't add dynamic members to an empty object.
 
@@ -1193,4 +1193,4 @@ const routes = {
 
 Now our tests pass expected.
 
-This setup of combining `as const` and `satisfies` is ideal when you need a particular shape for a configuration object and want while enforcing immutability.
+This setup of combining `as const` and `satisfies` is ideal when you need a particular shape for a configuration object while enforcing immutability.