fix!: support null as option value (#221)

BREAKING-CHANGE: serialize options as JSON instead of TOML

src/test/kotlin/app/revanced/patcher/options/PatchOptionOptionsTest.kt

@@ -0,0 +1,52 @@
+package app.revanced.patcher.options
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.data.Context
+import app.revanced.patcher.patch.*
+import app.revanced.utils.Options
+import app.revanced.utils.Options.setOptions
+import org.junit.jupiter.api.Test
+
+class PatchOptionsTestPatch : BytecodePatch() {
+    override fun execute(context: BytecodeContext): PatchResult {
+        return PatchResultSuccess()
+    }
+
+    companion object : OptionsContainer() {
+        var key1 by option(
+            PatchOption.StringOption(
+                "key1", null, "title1", "description1"
+            )
+        )
+
+        var key2 by option(
+            PatchOption.BooleanOption(
+                "key2", true, "title2", "description2"
+            )
+        )
+    }
+}
+
+internal object PatchOptionOptionsTest {
+    private var patches = listOf(PatchOptionsTestPatch::class.java as Class<out Patch<Context>>)
+
+    @Test
+    fun serializeTest() {
+        assert(SERIALIZED_JSON == Options.serialize(patches))
+    }
+
+    @Test
+    fun loadOptionsTest() {
+        patches.setOptions(CHANGED_JSON)
+
+        assert(PatchOptionsTestPatch.key1 == "test")
+        assert(PatchOptionsTestPatch.key2 == false)
+    }
+
+    private const val SERIALIZED_JSON =
+        "[{\"patchName\":\"PatchOptionsTestPatch\",\"options\":[{\"key\":\"key1\",\"value\":null},{\"key\":\"key2\",\"value\":true}]}]"
+
+    private const val CHANGED_JSON =
+        "[{\"patchName\":\"PatchOptionsTestPatch\",\"options\":[{\"key\":\"key1\",\"value\":\"test\"},{\"key\":\"key2\",\"value\":false}]}]"
+
+}