Refactor for cleanliness

Move files into separate folders for ease of reading, include source
directory so we can use angle bracket includes, adjust build system to
make directories for objects

lisp/context.h

@@ -0,0 +1,38 @@
+/* Copyright (C) 2025 Aryadev Chavali
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ Public License Version 2
+ * for details.
+
+ * You may distribute and modify this code under the terms of the
+ * GNU General Public License Version 2, which you should have received a copy
+ of along with this
+ * program.  If not, please go to <https://www.gnu.org/licenses/>.
+
+ * Created: 2025-05-12
+ * Description:
+ */
+
+#ifndef CONTEXT_H
+#define CONTEXT_H
+
+#include <lib/arena.h>
+
+typedef struct Context
+{
+  arena_t memory, read, scratch;
+} context_t;
+
+void *context_alloc(context_t *context, u64 size);
+void *context_salloc(context_t *context, u64 size);
+page_t *context_get_read_page(context_t *ctx);
+void context_reset_read(context_t *context);
+void context_reset_scratch(context_t *context);
+
+void context_reset(context_t *context);
+void context_cleanup(context_t *context);
+void context_report(context_t *context);
+
+#endif