Add Loc-OS Linux support (#926)

* Logo (Builtin): add Loc-OS

* Packages (Linux): add lpkg and lpkgbuild detection

src/logo/ascii/locos.txt

@@ -0,0 +1,18 @@
+              $3..;:::::::;.               
+           .0X'$1''''''''''''$3'N:
+         :Xd$1,.'''''''''''''''$3lKx
+       .0o$1'.'''''''''''''''''''$3:K;
+      .O$1;.'$3okOx:$1'''''''''$3,dOOx:$1''$3O;
+      xc$1.'$3xXl$1 $3kX;$1''$2:cc;$1''$3kXl$1 $3OX;$1''$3k.
+     'x$1..'$3:0X0Xx$1',$2OOOOOd$1,:$30X0Xx$1'''$3o:
+     ::$1..'$2,clollxOOOOOOOOdlddlc$1''''$3d
+     l'$1..$2':kkkkOOOOOOOOOOOOkkkx,$1'''$3x
+     o$1...''''',$2codxkkxxxdl$1:''''''''$3d.
+     d$1...''''''''''''''''''''''''''$3o.
+     d$1..''''$3,loc,$1''''''''$3;os:,$1'''''$3d'
+    :d$1..'$3,dKXXXXX0kxxxk0XXXXXX0l$1'''$3,O.
+   '0$1..'$3cKXXXXXXXXXXXXXXXXXXXXXXk$1'''$3ck
+  '0$1'.'$3cXXXXXXXXXXXXXXXXXXXXXXXXXO$1'''$3od
+ .0$1,.''$30XXXXXXXXXXXXXXXXXXXXXXXXXXo$1'''$3k;
+ cc$1..''$3XXXXXXXXXXXXXXXXXXXXXXXXXXXk$1''''$3k
+ l$1...',$3XXXXXXXXXXXXXXXXXXXXXXXXXXXO$1''''$3d.

src/logo/builtin.c

@@ -2385,6 +2385,18 @@ static const FFlogo L[] = {
             FF_COLOR_FG_WHITE,
         },
     },
+    // Loc-OS
+    {
+        .names = {"loc-os", "Loc-OS Linux"},
+        .lines = FASTFETCH_DATATEXT_LOGO_LOCOS,
+        .colors = {
+            FF_COLOR_FG_BLACK,
+            FF_COLOR_FG_YELLOW,
+            FF_COLOR_FG_WHITE,
+        },
+        .colorKeys = FF_COLOR_FG_YELLOW,
+        .colorTitle = FF_COLOR_FG_RED,
+    },
     // Lunar
     {
         .names = {"Lunar"},