feat: add Codex Linux

Author: NoaHimesaka1873

src/logo/ascii/codex.txt

@@ -0,0 +1,20 @@
+                                        
+                                        
+                                        
+                                        
+              ^"^"^".            `"^"""`
+              ";;;;;:.          `;;;;;;.
+              ^;":;:;:         .;,,;:;: 
+.'`",, '":::. ^;'';;;;,       .:: ,;;;: 
+';;;;:":::::' ^;` `;;;;"      ::. ,;;;: 
+ ";:;:.       ^;`  ^;;;;^    ,;.  ,;;;: 
+ ";;;:        ^;`   ";;;;^  ";'   ,;;;: 
+ ";;;:        ^;`    ,;;;;`^;`    ,;;;: 
+ ";;;:        ^;`     ,;;;;;^     ,;;;: 
+ ";:;:        ^;`     .:;:;"      ,;:;: 
+ ,;;;;.       ";"      .:;,       :;;;;.
+."""""`       ^"^       '"       ."""""`
+                                        
+                                        
+                                        
+                                        

src/logo/builtin.c

@@ -1124,6 +1124,14 @@ static const FFlogo C[] = {
         .colorKeys = FF_COLOR_FG_BLUE,
         .colorTitle = FF_COLOR_FG_BLUE,
     },
+    // Codex Linux (reMarkable OS)
+    {
+        .names = {"Codex Linux"},
+        .lines = FASTFETCH_DATATEXT_LOGO_CODEX,
+        .colors = {
+            FF_COLOR_FG_WHITE
+        },
+    },
     // Condres
     {
         .names = {"Condres"},