RESTRUCTURING 1

- change formats to have their own folders with mod + include files + anything they want
- change format list to be defined in formats.rs instead of in each format
- move utils to their respective formats
- some minor code changes in some formats

src/formats/funai_upg/include.rs

@@ -0,0 +1,15 @@
+use binrw::BinRead;
+
+#[derive(BinRead)]
+pub struct Header {
+    _magic_bytes: [u8; 6],
+    pub entry_count: u16,
+    pub file_size: u32,
+}
+
+#[derive(BinRead)]
+pub struct Entry {
+    pub entry_type: u16,
+    pub entry_size: u32,
+    _unk: u16,
+}