✨ Init commit for separate wiki

.github/workflows/gh-pages.yml

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+#name: github pages
+#on:
+  #push:
+    #branches:
+      #- wiki
+
+#jobs:
+  #build:
+    #name: Deploy docs
+    #runs-on: ubuntu-latest
+    #steps:
+      #- name: Checkout main
+        #uses: actions/checkout@v2
+
+      #- name: Deploy docs
+        #uses: mhausenblas/mkdocs-deploy-gh-pages@master
+        #env:
+          #GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          #CONFIG_FILE: mkdocs.yml
+          #EXTRA_PACKAGES: build-base
+          #REQUIREMENTS: requirements.txt

.gitignore

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+.DS_Store
+.venv
+site
+package-lock.json
+package.json
+
+node_modules

docs/API/ranges.md

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+---
+hide:
+  - footer
+---
+
+`Kokkos` loops accept `Kokkos::RangePolicy` or `Kokkos::MDRangePolicy` objects that specify the n-dimensional range of the loop. `Entity` embeds around these range objects and provides convenient aliases to the most common use cases. 
+
+=== "`.rangeAllCells()`"
+
+    | dimension | return object | ranges |
+    |-----------|---------------|-------------|
+    | 1D        | `Kokkos::RangePolicy<>` | $i_1\in [0,N_1)$ | 
+    | 2D        | `Kokkos::MDRangePolicy<Rank<2>>` | $i_1\in [0,N_1)$, $i_2\in [0,N_2)$ | 
+    | 3D        | `Kokkos::MDRangePolicy<Rank<3>>` | $i_1\in [0,N_1)$, $i_2\in [0,N_2)$, $i_3\in [0,N_3)$ | 
+
+=== "`.rangeActiveCells()`"
+
+    | dimension | return object | ranges |
+    |-----------|---------------|-------------|
+    | 1D        | `Kokkos::RangePolicy<>` | $i_1\in [N_G,N_1-N_G)$ | 
+    | 2D        | `Kokkos::MDRangePolicy<Rank<2>>` | $i_1\in [N_G,N_1-N_G)$, $i_2\in [N_G,N_2-N_G)$ | 
+    | 3D        | `Kokkos::MDRangePolicy<Rank<3>>` | $i_1\in [N_G,N_1-N_G)$, $i_2\in [N_G,N_2-N_G)$, $i_3\in [N_G,N_3-N_G)$ | 
+
+=== "`.rangeCells(const boxRegion<D>&)`"
+
+    `boxRegion<D>` is an auxiliary object (basically a tuple of size `D`) to specify a custom region of cells. It contains `CellLayer` objects by the number of dimensions. For example:
+    ```c++
+    boxRegion<2> left{CellLayer::minActiveLayer, CellLayer::allActiveLayer};
+    ```

docs/assets/cover_dark.gif.REMOVED.git-id

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docs/assets/cover_light.gif.REMOVED.git-id

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