generators: separate source generators from scripts

src/nvim/generators/dump_bin_array.lua

@@ -0,0 +1,17 @@
+local function dump_bin_array(output, name, data)
+  output:write([[
+  static const uint8_t ]]..name..[[[] = {
+]])
+
+  for i = 1, #data do
+    output:write(string.byte(data, i)..', ')
+    if i % 10 == 0 then
+      output:write('\n  ')
+    end
+  end
+  output:write([[
+};
+]])
+end
+
+return dump_bin_array