Added fallback ASCII for *BSD, Solaris, GNU

ascii/distro/bsd

+${c1}                ,        ,
+               /(        )`
+               \ \___   / |
+               /- _  `-/  '
+              (${c2}/\/ \ ${c1}\   /\
+              ${c2}/ /   | `    ${c1}\
+              ${c3}O O   ${c2}) ${c1}/    |
+              ${c2}`-^--'${c1}`<     '
+             (_.)  _  )   /
+              `.___/`    /
+                `-----' /
+   ${c4}<----.     __ / __   \
+   ${c4}<----|====${c1}O)))${c4}==${c1}) \) /${c4}====|
+   <----'    ${c1}`--' `.__,' \
+                |        |
+                 \       /       /\
+            ${c5}______${c1}( (_  / \______/
+          ${c5},'  ,-----'   |
+     `--{__________)

ascii/distro/gnu

+${c1}    _-`````-,           ,- '- .
+  .'   .- - |          | - -.  `.
+ /.'  /                     `.   \
+:/   :      _...   ..._      ``   :
+::   :     /._ .`:'_.._\.    ||   :
+::    `._ ./  ,`  :    \ . _.''   .
+`:.      /   |  -.  \-. \\_      /
+  \:._ _/  .'   .@)  \@) ` `\ ,.'
+     _/,--'       .- .\,-.`--`.
+       ,'/''     (( \ `  )
+        /'/'  \    `-'  (
+         '/''  `._,-----'
+          ''/'    .,---'
+           ''/'      ;:
+             ''/''  ''/
+               ''/''/''
+                 '/'/'
+                  `;

ascii/distro/solaris

+${c1}                 `-     `
+          `--    `+-    .:
+           .+:  `++:  -/+-     .
+    `.::`  -++/``:::`./+/  `.-/.
+      `++/-`.`          ` /++:`
+  ``   ./:`                .: `..`.-
+``./+/:-                     -+++:-
+    -/+`                      :.

neofetch

@@ -2537,10 +2537,24 @@ get_distro_colors() {
         ;;
 
         *)
-            if [[ "$os" == "Linux" ]]; then
-                ascii_distro="linux"
-                set_colors fg 8 3
-            fi
+            case "$os" in
+                "Linux")
+                    ascii_distro="linux"
+                    set_colors fg 8 3
+                ;;
+                "BSD")
+                    ascii_distro="bsd"
+                    set_colors 1 7 4 3 6
+                ;;
+                "GNU")
+                    ascii_distro="gnu"
+                    set_colors fg
+                ;;
+                "Solaris")
+                    ascii_distro="solaris"
+                    set_colors 3
+                ;;
+            esac
         ;;
     esac