patterns: Added PCX, GZip and PFS0 pattern

patterns/pfs0.hexpat

@@ -0,0 +1,38 @@
+#include <type/magic.pat>
+#include <type/size.pat>
+
+#include <std/core.pat>
+
+struct FileEntry {
+    u64 dataOffset;
+    type::Size<u64> dataSize;
+    u32 nameOffset;
+    padding[4];
+};
+
+struct String {
+    char value[];
+};
+
+struct Header {
+    type::Magic<"PFS0"> magic;
+    u32 numFiles;
+    type::Size<u32> stringTableSize;
+    padding[4];
+    
+    FileEntry fileEntryTable[numFiles];
+    String strings[numFiles];
+};
+
+struct File {
+    char name[] @ addressof(parent.header.strings) + parent.header.fileEntryTable[std::core::array_index()].nameOffset;
+    u8 data[parent.header.fileEntryTable[std::core::array_index()].dataSize] @ parent.header.fileEntryTable[std::core::array_index()].dataOffset [[sealed]];
+};
+
+struct PFS0 {
+    Header header; 
+    
+    File files[header.numFiles];
+};
+
+PFS0 pfs0 @ 0x00;