WIP docs: commenting in main.c and README updates

src/main.c

@@ -1,7 +1,6 @@
 #include <stdio.h>
-
+// add all the shit from the other shit
 #include "raylib.h"
-
 #include "world.h"
 #include "physics.h"
 #include "player.h"
@@ -10,6 +9,7 @@
 
 int main(void)
 {
+    // Let's make a window
     const int screenWidth = 1000;
     const int screenHeight = 600;
 
@@ -20,27 +20,33 @@ int main(void)
 
     SetTargetFPS(60);
 
+    // Now we actually start the code
     InitWorld();
 
-    printf("WrldBox Sandbox Started\n");
+    printf("WrldBox engine started\n");
     printf("Gravity = %.2f\n", g);
 
+    // until we close the window, expect inputs
     while (!WindowShouldClose())
     {
         float dt = GetFrameTime();
 
         if (IsKeyPressed(KEY_P))
         {
+            // If it's simulating, stop simulating. If it isn't simulating, start simulating.
             isSimulating = !isSimulating;
         }
 
         if (IsKeyPressed(KEY_R))
         {
+            // VERY complicated reset logic
             InitWorld();
         }
 
         if (IsKeyPressed(KEY_Q))
         {
+            // We're gonna have to rewrite the entity logic at some point. Because an actual game doesn't just contain a bunch of blocks. But whatever for now...
+            // Q key pressed? -> Poof, box, random position, random size, random color.
             SpawnEntity(
                 GetRandomValue(50, 950),
                         GetRandomValue(20, 150),
@@ -57,6 +63,7 @@ int main(void)
 
         if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
         {
+            // Spawn cube where the mouse is when it clicks!
             Vector2 m = GetMousePosition();
 
             SpawnEntity(
@@ -69,12 +76,14 @@ int main(void)
 
         if (isSimulating)
         {
+            // allow player to be controlled, fit everything within the size of the screen
             UpdatePlayerControls();
             UpdateEntities(dt, screenWidth);
 
             simTime += dt;
         }
 
+        // UI shenanigans
         BeginDrawing();
 
         ClearBackground(RAYWHITE);
@@ -167,6 +176,7 @@ int main(void)
         EndDrawing();
     }
 
+    // When the window wants to close, close it. What a surprise.
     CloseWindow();
     return 0;
 }