Move chunk impl to chunk package

src/chunks/chunks.odin

@@ -1,4 +1,4 @@
-package file
+package chunks
 
 import "base:runtime"
 import "core:fmt"

src/chunks/read_metadata.odin

@@ -0,0 +1 @@
+package chunks

src/chunks/write_assets.odin

@@ -1,16 +1,18 @@
-package file
+package chunks
 
 import "base:runtime"
 import "core:fmt"
 import "core:io"
 import "core:os"
 
+import "src:file"
+
 // -----------------------------------------
 
 write_assets :: proc(
 	w: ^Writer,
 	output: ^os.File,
-	entries: []FileEntry,
+	entries: []file.FileEntry,
 	size_per_chunk: u64 = SIZE_PER_CHUNK,
 	compression: u16 = COMPRESSION,
 	allocator := context.allocator,

src/chunks/write_metadata.odin

@@ -1,16 +1,18 @@
-package file
+package chunks
 
 import "base:runtime"
 import "core:fmt"
 import "core:mem"
 import "core:os"
 
+import "src:file"
+
 // -----------------------------------------
 
 write_metadata :: proc(
 	w: ^Writer,
 	output: ^os.File,
-	entries: []FileEntry,
+	entries: []file.FileEntry,
 	size_per_chunk: u64 = SIZE_PER_CHUNK,
 	compression: u16 = COMPRESSION,
 	allocator := context.allocator,
@@ -69,7 +71,7 @@ write_header :: proc(
 write_asset_index :: proc(
 	w: ^Writer,
 	chunk_file: ^os.File,
-	entries: []FileEntry,
+	entries: []file.FileEntry,
 	number_of_assets: u32,
 	allocator: runtime.Allocator,
 ) {