WIP docs: commenting in render.c/render.h and README updates

src/docprogress.txt

@@ -1,8 +1,8 @@
 main.c - Done
 physics.c - Done, refine later
-    physics.h
-renderer.c
-    renderer.h
+    physics.h - Done
+renderer.c - Done
+    renderer.h - Done
 player.c
     player.h
 world.c

src/render.c

@@ -2,7 +2,7 @@
 #include "world.h"
 
 #include "raylib.h"
-
+// Take entities, put em on the screen. Basic rendering file. Our entities are just rectangles, which we should lowkey fix... but uh... that's a problem for LATER...
 void DrawEntities(void)
 {
     for (int i = 0; i < MAX_ENTITIES; i++)

src/render.h

@@ -1,6 +1,7 @@
 #ifndef RENDER_H
 #define RENDER_H
-
+// FUNction declaration! yay!!!
+// Make an entity! Once again, pretty sure this is must used in main.c
 void DrawEntities(void);
 
 #endif