feat: change project structure

examples/sample/src/sample.ak

@@ -0,0 +1,3 @@
+pub type ScriptContext {
+    thing: String
+}

examples/sample/src/sample/syntax.ak

@@ -0,0 +1,7 @@
+pub type ScriptContext {
+  idk: Int
+}
+
+pub fn append(a: ByteArray, b: ByteArray) -> ByteArray {
+  todo
+}

examples/sample/src/scripts/swap.ak

@@ -0,0 +1,24 @@
+use sample
+use sample/syntax.{append}
+
+pub type Datum {
+  something: String,
+}
+
+pub type Redeemer {
+  Buy
+  Sell
+}
+
+pub fn validate(datum: Datum, rdmr: Redeemer, ctx: sample.ScriptContext) -> Bool {
+  let thing = if True {
+    3
+  } else {
+    "thing"
+  }
+
+  when rdmr is {
+    Buy -> True
+    Sell -> datum.something == "Aiken"
+  }
+}