refactor(cli): write_usage and write_command_help now use text/table.

table.odin

@@ -1,5 +1,7 @@
 package main
 
+import "core:fmt"
+import "core:io"
 import "core:text/table"
 import "core:unicode/utf8"
 
@@ -34,3 +36,44 @@ ansi_aware_width :: proc(str: string) -> int {
 	return width
 }
 
+write_borderless_table :: proc(w: io.Writer, t: ^table.Table) {
+	table.build(t, ansi_aware_width)
+
+	write_table_separator :: proc(w: io.Writer, tbl: ^table.Table) {
+		io.write_byte(w, '\n')
+	}
+
+	if t.caption != "" {
+		table.write_text_align(
+			w,
+			fmt.tprintf("%s%s%s", COLOR_HEADINGS, t.caption, ANSI_RESET),
+			.Left,
+			0, //t.lpad,
+			0, //t.rpad,
+			t.tblw + t.nr_cols - 1 - ansi_aware_width(t.caption) - t.lpad - t.rpad,
+		)
+		io.write_byte(w, '\n')
+	}
+
+	write_table_separator(w, t)
+	for row in 0 ..< t.nr_rows {
+		for col in 0 ..< t.nr_cols {
+			table.write_table_cell(w, t, row, col)
+		}
+		io.write_byte(w, '\n')
+		if t.has_header_row && row == table.header_row(t) {
+			write_table_separator(w, t)
+		}
+	}
+	write_table_separator(w, t)
+}
+
+table_reset :: proc(t: ^table.Table) {
+	clear(&t.cells)
+	clear(&t.colw)
+	t.caption = ""
+	t.tblw = 0
+	t.nr_cols = 0
+	t.nr_rows = 0
+}
+