Logo (Builtin): adds OS/2 Warp logo (#2062)

* Add OS2 Warp logo

* Update ASCII art in os2warp.txt

* Refactor OS/2 Warp logo names for consistency

---------

Co-authored-by: Carter Li <CarterLi@users.noreply.github.com>

src/logo/ascii/os2warp.txt

@@ -0,0 +1,17 @@
+                 .-==:  .   .
+    -+:::+=     *      *-   = -.  -%*
+  **       *#  :%-      .  :.*=:   -%%
+ %@:       -@%  =%@%%*:    -  :.   -%=
+-@@:       :@@-    -+#%%+ .:      :*.
+-@@:       :@@--       -% =     .*
+.%@-       -%% ++       # .   -:     .
+  #*       **  =.:*:  +- =  #%%%%#+-*:
+    -=====-                       .:- ..
+
+$2  =*+                               -+*:
+  .*+ :*+=                      -+*++**-
+   +*-++++ -++-:.       .:-=++.=*+. =*-
+   -***:-+:*++=*++*:  +*+=:-**+=**++-
+     :- :***==*+.=++  +*+=++*=.=*+.
+         .=-=*+***+*= +*+  :**+=++
+              .   -*+ +*+  .=:

src/logo/builtin.c

@@ -3700,6 +3700,15 @@ static const FFlogo O[] = {
             FF_COLOR_FG_DEFAULT,
         },
     },
+    // OS/2 Warp
+    {
+        .names = {"OS2Warp"},
+        .lines = FASTFETCH_DATATEXT_LOGO_OS2WARP,
+        .colors = {
+            FF_COLOR_FG_LIGHT_WHITE,
+            FF_COLOR_FG_LIGHT_BLUE,
+        }
+    },
     // OS_Elbrus
     {
         .names = {"OS Elbrus"},