Logo: move logo command line option parser to a separate file

Prepare for JSON config support

src/fastfetch.h

@@ -16,25 +16,8 @@ static inline void ffUnused(int dummy, ...) { (void) dummy; }
 #define FF_UNUSED(...) ffUnused(0, __VA_ARGS__);
 #define FF_MAYBE_UNUSED __attribute__ ((__unused__))
 
-#define FASTFETCH_LOGO_MAX_COLORS 9 //two digits would make parsing much more complicated (index 1 - 9)
-
 #include "modules/options.h"
-
-typedef enum FFLogoType
-{
-    FF_LOGO_TYPE_AUTO,        //if something is given, first try builtin, then file. Otherwise detect logo
-    FF_LOGO_TYPE_BUILTIN,     //builtin ascii art
-    FF_LOGO_TYPE_FILE,        //text file, printed with color code replacement
-    FF_LOGO_TYPE_FILE_RAW,    //text file, printed as is
-    FF_LOGO_TYPE_DATA,        //text data, printed with color code replacement
-    FF_LOGO_TYPE_DATA_RAW,    //text data, printed as is
-    FF_LOGO_TYPE_IMAGE_SIXEL, //image file, printed as sixel codes.
-    FF_LOGO_TYPE_IMAGE_KITTY, //image file, printed as kitty graphics protocol
-    FF_LOGO_TYPE_IMAGE_ITERM, //image file, printed as iterm graphics protocol
-    FF_LOGO_TYPE_IMAGE_CHAFA, //image file, printed as ascii art using libchafa
-    FF_LOGO_TYPE_IMAGE_RAW,   //image file, printed as raw binary string
-    FF_LOGO_TYPE_NONE,        //--logo none
-} FFLogoType;
+#include "logo/option.h"
 
 typedef enum FFSoundType
 {
@@ -88,25 +71,7 @@ typedef enum FFLocalIpType
 
 typedef struct FFconfig
 {
-    struct
-    {
-        FFstrbuf source;
-        FFLogoType type;
-        FFstrbuf colors[FASTFETCH_LOGO_MAX_COLORS];
-        uint32_t width;
-        uint32_t height;
-        uint32_t paddingTop;
-        uint32_t paddingLeft;
-        uint32_t paddingRight;
-        bool printRemaining;
-        bool preserveAspectRadio;
-
-        bool chafaFgOnly;
-        FFstrbuf chafaSymbols;
-        uint32_t chafaCanvasMode;
-        uint32_t chafaColorSpace;
-        uint32_t chafaDitherMode;
-    } logo;
+    FFLogoOptions logo;
 
     //If one of those is empty, ffLogoPrint will set them
     FFstrbuf colorKeys;
@@ -230,6 +195,8 @@ typedef struct FFconfig
     FFstrbuf playerName;
 
     uint32_t percentType;
+
+    bool jsonConfig;
 } FFconfig;
 
 typedef struct FFstate