bshell: re-organise build into three separate components

bshell: the front-end binary
bshell.runtime: contains the parser, compiler, and classes needed to run bshell scripts
bshell.core: contains the builtin commandlets and aliases

bshell.runtime/format/verb.c

@@ -0,0 +1,14 @@
+#include <bshell/format.h>
+
+static struct bshell_table_column verb_table_columns[] = {
+	TABLE_COLUMN("verb", "verb", 13),
+	TABLE_COLUMN("alias_prefix", "alias_prefix", 13),
+	TABLE_COLUMN("group", "group", 13),
+	TABLE_COLUMN("description", "description", COL_WIDTH_INFINITE),
+};
+
+struct bshell_table verb_bshell_table = {
+	.fmt_columns = verb_table_columns,
+	.fmt_column_count = sizeof verb_table_columns
+                          / sizeof verb_table_columns[0],
+};