EEVEE-Next: Initial pass blender manual

This is an initial pass adding parts of EEVEE-Next to the manual.
It includes the following sections

- Limitations
- Light probes
- Introduction
- Material nodes

Some parts have been tagged with todo as this has to be written or reviewed by Clement.
Mostly the shadowing pipeline.

@@ -16,2 +15,3 @@
+scenes. For Cycles users, this makes EEVEE work great for previewing materials in realtime.
 
-Unlike Cycles, EEVEE is not a raytrace render engine.
+EEVEE is a based on rasterization and not (like Cycles) a path traced render engine.

@@ -116,3 +101,1 @@
-Screen Space Refraction
------------------------
-
+- Blended materials and materials using raytrace refractions will not appear in dithered materials.

@@ -0,0 +14,4 @@
+   occlusion.
+
+Bias
+   Bias the horozon angles to reduce self intersection artifacts.

@@ -0,0 +29,4 @@
+Ray Type
+========
+
+When the settings are split per ray type this section will be repeated for reflection, refraction

@@ -23,2 +24,2 @@
-Viewport Denoising
-   Reduces noise while moving the viewport or during animation playback.
+Temporal Reprojection
+   Reduces noise while moving the viewport or during animation playback. Can leave some ghosting.

@@ -331,3 +331,2 @@
 
-- Alpha blended materials are not rendered in render passes except the combined pass.
-  Use the *Alpha Clip* or *Alpha Hashed* as :ref:`Blending Mode <bpy.types.Material.blend_method>`
+- Blended materials are not rendered in render passes except the combined pass.

@@ -74,3 +74,2 @@
 In order for the *Is Camera*, *Is Shadow*, *Is Diffuse*, and *Is Glossy* outputs to work,
-the object must be inside an :doc:`Irradiance Volume </render/eevee/light_probes/irradiance_volumes>`
-and :doc:`/render/eevee/render_settings/indirect_lighting` must be baked.
+the object must be inside an :doc:`Irradiance Volume </render/eevee/light_probes/volume>`