Replace big example with simple examples

Author: szymon-rd

example/Main.scala

@@ -0,0 +1,7 @@
+//> using toolkit "latest"
+
+val totalSize = os.walk.stream.attrs(os.pwd)
+ .collect { case (path, attrs) if attrs.isFile => attrs.size }
+ .sum
+
+println(totalSize)

example/git/Commit.scala

@@ -0,0 +1,4 @@
+//> using toolkit "latest"
+
+val text = os.read(os.pwd / "File.txt")
+println(text)

example/git/Contributor.scala

@@ -0,0 +1,9 @@
+//> using toolkit "latest"
+
+import upickle.default._
+
+case class PetOwner(name: String, pet: String) derives ReadWriter
+val jsonString = """{"name": "Peter", "pet": "Toolkitty"}"""
+val petOwner: PetOwner = read[PetOwner](jsonString)
+
+println(petOwner)

example/git/Lang.scala

@@ -0,0 +1,9 @@
+//> using toolkit "latest"
+
+import upickle.default._
+
+case class PetOwner(name: String, pet: String) derives ReadWriter
+val petOwner = PetOwner("Peter", "Toolkitty")
+val json = write(petOwner)
+
+println(json)