New graphics and general polish

Also fixed visual pickup bugs
Sets up bloom effects and materials
UI and ux adjustments/polish

Assets/Prefabs/Pickups/NoTrail.prefab

@@ -28,7 +28,7 @@ Transform:
   m_GameObject: {fileID: 448384805825873017}
   m_LocalRotation: {x: 0.7071068, y: 0, z: 0, w: 0.7071068}
   m_LocalPosition: {x: -3.9003305, y: 0.50000095, z: 3.661797}
-  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_LocalScale: {x: 0.5, y: 0.5, z: 0.5}
   m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
@@ -80,7 +80,7 @@ SpriteRenderer:
   m_RenderingLayerMask: 1
   m_RendererPriority: 0
   m_Materials:
-  - {fileID: 10754, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 2100000, guid: 64e83f025eca68a46b806b1b3e488188, type: 2}
   m_StaticBatchInfo:
     firstSubMesh: 0
     subMeshCount: 0
@@ -101,7 +101,7 @@ SpriteRenderer:
   m_SortingLayerID: 0
   m_SortingLayer: 0
   m_SortingOrder: 0
-  m_Sprite: {fileID: 10913, guid: 0000000000000000f000000000000000, type: 0}
+  m_Sprite: {fileID: 21300000, guid: cfbf7e2d00458f94b9795d7be5782cbe, type: 3}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0
   m_FlipY: 0