update mandoc and markdown renderers with flag.needs

Author: DannyBen

lib/bashly/libraries/render/mandoc/mandoc.gtx

@@ -127,6 +127,9 @@ if flags.any?
     if flag.conflicts
       > - Conflicts With: **{{ flag.conflicts.join(', ') }}**
     end
+    if flag.needs
+      > - Needs: **{{ flag.needs.join(', ') }}**
+    end
     >
   end
 end

lib/bashly/libraries/render/markdown/markdown.gtx

@@ -152,7 +152,8 @@ if flags.any?
   > ## Options
   >
   flags.each do |flag|
-    attributes = flag.required || flag.repeatable || flag.default || flag.allowed || flag.conflicts
+    attributes = flag.required || flag.repeatable || flag.default ||
+      flag.allowed || flag.conflicts || flag.needs
 
     > #### *{{ flag.usage_string }}*
     >
@@ -177,6 +178,9 @@ if flags.any?
       if flag.conflicts
         > | Conflicts With: | *{{ flag.conflicts.join(', ') }}*
       end
+      if flag.needs
+        > | Needs: | *{{ flag.needs.join(', ') }}*
+      end
       >
     end
   end

spec/approvals/examples/needs

@@ -4,7 +4,7 @@ skipped src/root_command.sh (exists)
 created ./cli
 run ./cli --help to test your bash script
 + ./cli -h
-cli - Sample application to demonstrate the use of conflicting flags
+cli - Sample application to demonstrate the use of needy flags
 
 Usage:
   cli [OPTIONS]