New graphics and general polish

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

Assets/Prefabs/Enemies/test_enemy_2.prefab

@@ -11,6 +11,7 @@ GameObject:
   - component: {fileID: 7151223122468485111}
   - component: {fileID: 7151223122468485110}
   - component: {fileID: 7151223122468485108}
+  - component: {fileID: 2185097519331044711}
   m_Layer: 0
   m_Name: test_enemy_2
   m_TagString: Untagged
@@ -25,14 +26,14 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 7151223122468485113}
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalRotation: {x: 0.7071068, y: 0, z: 0, w: 0.7071068}
   m_LocalPosition: {x: 1.6516533, y: 0.17, z: 0.85}
-  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}
   m_RootOrder: 0
-  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_LocalEulerAnglesHint: {x: 90, y: 0, z: 0}
 --- !u!114 &7151223122468485110
 MonoBehaviour:
   m_ObjectHideFlags: 0
@@ -60,5 +61,57 @@ BoxCollider:
   m_IsTrigger: 1
   m_Enabled: 1
   serializedVersion: 2
-  m_Size: {x: 1, y: 1, z: 1}
+  m_Size: {x: 2.77, y: 3.19, z: 1}
   m_Center: {x: 0, y: 0, z: 0}
+--- !u!212 &2185097519331044711
+SpriteRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 7151223122468485113}
+  m_Enabled: 1
+  m_CastShadows: 0
+  m_ReceiveShadows: 0
+  m_DynamicOccludee: 1
+  m_StaticShadowCaster: 0
+  m_MotionVectors: 1
+  m_LightProbeUsage: 1
+  m_ReflectionProbeUsage: 1
+  m_RayTracingMode: 0
+  m_RayTraceProcedural: 0
+  m_RenderingLayerMask: 1
+  m_RendererPriority: 0
+  m_Materials:
+  - {fileID: 2100000, guid: 64e83f025eca68a46b806b1b3e488188, type: 2}
+  m_StaticBatchInfo:
+    firstSubMesh: 0
+    subMeshCount: 0
+  m_StaticBatchRoot: {fileID: 0}
+  m_ProbeAnchor: {fileID: 0}
+  m_LightProbeVolumeOverride: {fileID: 0}
+  m_ScaleInLightmap: 1
+  m_ReceiveGI: 1
+  m_PreserveUVs: 0
+  m_IgnoreNormalsForChartDetection: 0
+  m_ImportantGI: 0
+  m_StitchLightmapSeams: 1
+  m_SelectedEditorRenderState: 0
+  m_MinimumChartSize: 4
+  m_AutoUVMaxDistance: 0.5
+  m_AutoUVMaxAngle: 89
+  m_LightmapParameters: {fileID: 0}
+  m_SortingLayerID: 0
+  m_SortingLayer: 0
+  m_SortingOrder: 0
+  m_Sprite: {fileID: 21300000, guid: 24bc064b1eba33144b50c79b09295a90, type: 3}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_FlipX: 0
+  m_FlipY: 0
+  m_DrawMode: 0
+  m_Size: {x: 5, y: 5}
+  m_AdaptiveModeThreshold: 0.5
+  m_SpriteTileMode: 0
+  m_WasSpriteAssigned: 1
+  m_MaskInteraction: 0
+  m_SpriteSortPoint: 0