tidy up var names/doc + destroy string builders sb and blog_md_file

gen.odin

@@ -5,6 +5,15 @@ import "core:fmt"
 import "core:os"
 import "core:strings"
 
+/*
+	2026 Simon Kellet
+	Generates the blog index markdown file (blog/index.md) complete with all
+	current blogs/articles. This is then passed to the 'parse_file_md_to_html'
+	We do this to make updating the blog index much easier.
+
+	The final step is to write the blog in order.
+*/
+
 BLOG_START_MD := `
 (\
 \'\
@@ -24,13 +33,14 @@ BLOG_BACK_MD := `
 [<= Back](./..)
 `
 
-// Generates the blog index markdown file (blog/index.md) complete with all
+generate_blog_index_md_file :: proc(path: string, allocator := context.allocator) {
-// current blogs/articles. This is then passed to the 'parse_file_md_to_html'
-// We do this to make updating the blog index much easier
-generate_blog_md_file :: proc(path: string, allocator := context.allocator) {
 	blog_list := make([dynamic]string, allocator)
+	defer delete(blog_list)
+
 	sb := strings.builder_make(allocator)
 	blog_md_file := strings.builder_make(allocator)
+	defer strings.builder_destroy(&sb)
+	defer strings.builder_destroy(&blog_md_file)
 
 	strings.write_string(&sb, path)
 	strings.write_string(&sb, "blog/")
@@ -49,6 +59,7 @@ generate_blog_md_file :: proc(path: string, allocator := context.allocator) {
 		trim_b := strings.trim_right(b[1], ".md")
 
 		if trim_b == "index" {continue} 	//Ignore Index
+		if trim_b == ".DS_Store" {continue} 	//Ignore annoying MacOS files
 		if strings.starts_with(trim_b, "!") {continue} 	//Ignore WIP files!
 
 		// now add to blog list
@@ -69,7 +80,7 @@ generate_blog_md_file :: proc(path: string, allocator := context.allocator) {
 		free_all(context.temp_allocator)
 	}
 
-	// sck: Now we create the index.md file.
+	// sck: Now we create the /blog/index.md file.
 	os.change_directory(blog_dir)
 	index_file, err := os.create("index.md")
 	if err != nil {
@@ -85,7 +96,7 @@ generate_blog_md_file :: proc(path: string, allocator := context.allocator) {
 	os.write_string(index_file, "```\n")
 	os.write_string(index_file, BLOG_TITLE_MD)
 	os.write_string(index_file, "\n")
-	os.write_string(index_file, strings.to_string(blog_md_file))
+	os.write_string(index_file, strings.to_string(blog_md_file)) //CONTENT OF BLOG
 	os.write_string(index_file, "\n")
 	os.write_string(index_file, BLOG_BACK_MD)
 }