added WIP AI scene for using ml agents to train the snakes

This commit includes various changes to improve and add functionality to the Snake game. The specific changes include:

- Addition of the ml-agents package for establishing a Machine Learning environment.
- Modification of tile prefab to adjust sprite and size.
- Added a wrap feature in the GameManager, allowing the snake to wrap around the board.
- Changes in SnakeController allowing the control of snake's movement with the newly added wrap feature.
- Changes made to various materials like Food, None and Snake to change their respective shaders.
- Modified the GameManager script in the Main Unity scene and made changes to the board's settings.
- The width, height and snake movement settings of the GameManager script have been adjusted.
- Update in Scene objects’ rotation and position.
- Changes to BoardDisplay, TileDisplay and SpriteBoardDisplay to assist in visual updates of the game state.

Assets/ML-Agents/Timers/AI_timers.json

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Assets/ML-Agents/Timers/Main_timers.json

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Assets/SnakeGame/MaterialLibary/Food.mat

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@@ -23,6 +23,10 @@ Material:
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@@ -75,9 +82,17 @@ Material:
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Assets/SnakeGame/MaterialLibary/NoneMaterial.mat

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   m_ValidKeywords: []
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@@ -61,10 +65,14 @@ Material:
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@@ -75,9 +83,18 @@ Material:
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+    - _Flip: {r: 1, g: 1, b: 1, a: 1}
+    - _RendererColor: {r: 1, g: 1, b: 1, a: 1}
   m_BuildTextureStacks: []

Assets/SnakeGame/MaterialLibary/Snake.mat

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   m_ValidKeywords: []
@@ -23,6 +23,10 @@ Material:
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     m_TexEnvs:
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@@ -61,10 +65,14 @@ Material:
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     m_Ints: []
     m_Floats:
+    - PixelSnap: 0
     - _BumpScale: 1
+    - _ColorMask: 15
+    - _CullMode: 0
     - _Cutoff: 0.5
     - _DetailNormalMapScale: 1
     - _DstBlend: 0
+    - _EnableExternalAlpha: 0
     - _GlossMapScale: 1
     - _Glossiness: 0.5
     - _GlossyReflections: 1
@@ -75,9 +83,18 @@ Material:
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     - _SpecularHighlights: 1
     - _SrcBlend: 1
+    - _Stencil: 0
+    - _StencilComp: 8
+    - _StencilOp: 0
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+    - _StencilWriteMask: 255
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     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _Flip: {r: 1, g: 1, b: 1, a: 1}
+    - _RendererColor: {r: 1, g: 1, b: 1, a: 1}
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Assets/SnakeGame/Prefabs/Tile.prefab

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